                               SEQUENCE LISTING

<110> MYTHIC THERAPEUTICS, INC.
 
<120> ANTIGEN-BINDING PROTEIN CONSTRUCTS AND USES THEREOF

<130> 45395-0024WO1

<140>
<141>

<150> 62/888,384
<151> 2019-08-16

<150> 62/858,932
<151> 2019-06-07

<160> 657   

<170> PatentIn version 3.5

<210> 1
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG"

<400> 1
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 2
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG"

<400> 2
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 3
<211> 13
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Heavy Chain CDR1 of Rovalpituzumab"

<400> 3
Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr Gly Met Asn 
1               5                   10              


<210> 4
<211> 17
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Heavy Chain CDR2 of Rovalpituzumab"

<400> 4
Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe Lys 
1               5                   10                  15      


Gly 
    


<210> 5
<211> 11
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Heavy Chain CDR3 of Rovalpituzumab"

<400> 5
Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr 
1               5                   10      


<210> 6
<211> 11
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Light Chain CDR1 of Rovalpituzumab"

<400> 6
Lys Ala Ser Gln Ser Val Ser Asn Asp Val Val 
1               5                   10      


<210> 7
<211> 7
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Light Chain CDR2 of Rovalpituzumab"

<400> 7
Tyr Ala Ser Asn Arg Tyr Thr 
1               5           


<210> 8
<211> 8
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Light Chain CDR3 of Rovalpituzumab"

<400> 8
Gln Gln Asp Tyr Thr Ser Pro Trp 
1               5               


<210> 9
<211> 592
<212> PRT
<213> Homo sapiens

<220>
<221> source
<223> /note="Mature Human DLL3"

<400> 9
Ala Gly Val Phe Glu Leu Gln Ile His Ser Phe Gly Pro Gly Pro Gly 
1               5                   10                  15      


Pro Gly Ala Pro Arg Ser Pro Cys Ser Ala Arg Leu Pro Cys Arg Leu 
            20                  25                  30          


Phe Phe Arg Val Cys Leu Lys Pro Gly Leu Ser Glu Glu Ala Ala Glu 
        35                  40                  45              


Ser Pro Cys Ala Leu Gly Ala Ala Leu Ser Ala Arg Gly Pro Val Tyr 
    50                  55                  60                  


Thr Glu Gln Pro Gly Ala Pro Ala Pro Asp Leu Pro Leu Pro Asp Gly 
65                  70                  75                  80  


Leu Leu Gln Val Pro Phe Arg Asp Ala Trp Pro Gly Thr Phe Ser Phe 
                85                  90                  95      


Ile Ile Glu Thr Trp Arg Glu Glu Leu Gly Asp Gln Ile Gly Gly Pro 
            100                 105                 110         


Ala Trp Ser Leu Leu Ala Arg Val Ala Gly Arg Arg Arg Leu Ala Ala 
        115                 120                 125             


Gly Gly Pro Trp Ala Arg Asp Ile Gln Arg Ala Gly Ala Trp Glu Leu 
    130                 135                 140                 


Arg Phe Ser Tyr Arg Ala Arg Cys Glu Pro Pro Ala Val Gly Thr Ala 
145                 150                 155                 160 


Cys Thr Arg Leu Cys Arg Pro Arg Ser Ala Pro Ser Arg Cys Gly Pro 
                165                 170                 175     


Gly Leu Arg Pro Cys Ala Pro Leu Glu Asp Glu Cys Glu Ala Pro Leu 
            180                 185                 190         


Val Cys Arg Ala Gly Cys Ser Pro Glu His Gly Phe Cys Glu Gln Pro 
        195                 200                 205             


Gly Glu Cys Arg Cys Leu Glu Gly Trp Thr Gly Pro Leu Cys Thr Val 
    210                 215                 220                 


Pro Val Ser Thr Ser Ser Cys Leu Ser Pro Arg Gly Pro Ser Ser Ala 
225                 230                 235                 240 


Thr Thr Gly Cys Leu Val Pro Gly Pro Gly Pro Cys Asp Gly Asn Pro 
                245                 250                 255     


Cys Ala Asn Gly Gly Ser Cys Ser Glu Thr Pro Arg Ser Phe Glu Cys 
            260                 265                 270         


Thr Cys Pro Arg Gly Phe Tyr Gly Leu Arg Cys Glu Val Ser Gly Val 
        275                 280                 285             


Thr Cys Ala Asp Gly Pro Cys Phe Asn Gly Gly Leu Cys Val Gly Gly 
    290                 295                 300                 


Ala Asp Pro Asp Ser Ala Tyr Ile Cys His Cys Pro Pro Gly Phe Gln 
305                 310                 315                 320 


Gly Ser Asn Cys Glu Lys Arg Val Asp Arg Cys Ser Leu Gln Pro Cys 
                325                 330                 335     


Arg Asn Gly Gly Leu Cys Leu Asp Leu Gly His Ala Leu Arg Cys Arg 
            340                 345                 350         


Cys Arg Ala Gly Phe Ala Gly Pro Arg Cys Glu His Asp Leu Asp Asp 
        355                 360                 365             


Cys Ala Gly Arg Ala Cys Ala Asn Gly Gly Thr Cys Val Glu Gly Gly 
    370                 375                 380                 


Gly Ala His Arg Cys Ser Cys Ala Leu Gly Phe Gly Gly Arg Asp Cys 
385                 390                 395                 400 


Arg Glu Arg Ala Asp Pro Cys Ala Ala Arg Pro Cys Ala His Gly Gly 
                405                 410                 415     


Arg Cys Tyr Ala His Phe Ser Gly Leu Val Cys Ala Cys Ala Pro Gly 
            420                 425                 430         


Tyr Met Gly Ala Arg Cys Glu Phe Pro Val His Pro Asp Gly Ala Ser 
        435                 440                 445             


Ala Leu Pro Ala Ala Pro Pro Gly Leu Arg Pro Gly Asp Pro Gln Arg 
    450                 455                 460                 


Tyr Leu Leu Pro Pro Ala Leu Gly Leu Leu Val Ala Ala Gly Val Ala 
465                 470                 475                 480 


Gly Ala Ala Leu Leu Leu Val His Val Arg Arg Arg Gly His Ser Gln 
                485                 490                 495     


Asp Ala Gly Ser Arg Leu Leu Ala Gly Thr Pro Glu Pro Ser Val His 
            500                 505                 510         


Ala Leu Pro Asp Ala Leu Asn Asn Leu Arg Thr Gln Glu Gly Ser Gly 
        515                 520                 525             


Asp Gly Pro Ser Ser Ser Val Asp Trp Asn Arg Pro Glu Asp Val Asp 
    530                 535                 540                 


Pro Gln Gly Ile Tyr Val Ile Ser Ala Pro Ser Ile Tyr Ala Arg Glu 
545                 550                 555                 560 


Val Ala Thr Pro Leu Phe Pro Pro Leu His Thr Gly Arg Ala Gly Gln 
                565                 570                 575     


Arg Gln His Leu Leu Phe Pro Tyr Pro Ser Ser Ile Leu Ser Val Lys 
            580                 585                 590         


<210> 10
<211> 1776
<212> DNA
<213> Homo sapiens

<220>
<221> source
<223> /note="cDNA Encoding Mature Human DLL3"

<400> 10
gctggcgtct tcgagctgca gatccactct ttcgggccgg gtccaggccc tggggccccg       60

cggtccccct gcagcgcccg gctcccctgc cgcctcttct tcagagtctg cctgaagcct      120

gggctctcag aggaggccgc cgagtccccg tgcgccctgg gcgcggcgct gagtgcgcgc      180

ggaccggtct acaccgagca gcccggagcg cccgcgcctg atctcccact gcccgacggc      240

ctcttgcagg tgcccttccg ggacgcctgg cctggcacct tctctttcat catcgaaacc      300

tggagagagg agttaggaga ccagattgga gggcccgcct ggagcctgct ggcgcgcgtg      360

gctggcaggc ggcgcttggc agccggaggc ccgtgggccc gggacattca gcgcgcaggc      420

gcctgggagc tgcgcttctc gtaccgcgcg cgctgcgagc cgcctgccgt cgggaccgcg      480

tgcacgcgcc tctgccgtcc gcgcagcgcc ccctcgcggt gcggtccggg actgcgcccc      540

tgcgcaccgc tcgaggacga atgtgaggcg ccgctggtgt gccgagcagg ctgcagccct      600

gagcatggct tctgtgaaca gcccggtgaa tgccgatgcc tagagggctg gactggaccc      660

ctctgcacgg tccctgtctc caccagcagc tgcctcagcc ccaggggccc gtcctctgct      720

accaccggat gccttgtccc tgggcctggg ccctgtgacg ggaacccgtg tgccaatgga      780

ggcagctgta gtgagacacc caggtccttt gaatgcacct gcccgcgtgg gttctacggg      840

ctgcggtgtg aggtgagcgg ggtgacatgt gcagatggac cctgcttcaa cggcggcttg      900

tgtgtcgggg gtgcagaccc tgactctgcc tacatctgcc actgcccacc cggtttccaa      960

ggctccaact gtgagaagag ggtggaccgg tgcagcctgc agccatgccg caatggcgga     1020

ctctgcctgg acctgggcca cgccctgcgc tgccgctgcc gcgccggctt cgcgggtcct     1080

cgctgcgagc acgacctgga cgactgcgcg ggccgcgcct gcgctaacgg cggcacgtgt     1140

gtggagggcg gcggcgcgca ccgctgctcc tgcgcgctgg gcttcggcgg ccgcgactgc     1200

cgcgagcgcg cggacccgtg cgccgcgcgc ccctgtgctc acggcggccg ctgctacgcc     1260

cacttctccg gcctcgtctg cgcttgcgct cccggctaca tgggagcgcg gtgtgagttc     1320

ccagtgcacc ccgacggcgc aagcgccttg cccgcggccc cgccgggcct caggcccggg     1380

gaccctcagc gctacctttt gcctccggct ctgggactgc tcgtggccgc gggcgtggcc     1440

ggcgctgcgc tcttgctggt ccacgtgcgc cgccgtggcc actcccagga tgctgggtct     1500

cgcttgctgg ctgggacccc ggagccgtca gtccacgcac tcccggatgc actcaacaac     1560

ctaaggacgc aggagggttc cggggatggt ccgagctcgt ccgtagattg gaatcgccct     1620

gaagatgtag accctcaagg gatttatgtc atatctgctc cttccatcta cgctcgggag     1680

gtagcgacgc cccttttccc cccgctacac actgggcgcg ctgggcagag gcagcacctg     1740

ctttttccct acccttcctc gattctgtcc gtgaaa                               1776


<210> 11
<211> 466
<212> PRT
<213> Homo sapiens

<220>
<221> source
<223> /note="Extracellular Domain of DLL3"

<400> 11
Ala Gly Val Phe Glu Leu Gln Ile His Ser Phe Gly Pro Gly Pro Gly 
1               5                   10                  15      


Pro Gly Ala Pro Arg Ser Pro Cys Ser Ala Arg Leu Pro Cys Arg Leu 
            20                  25                  30          


Phe Phe Arg Val Cys Leu Lys Pro Gly Leu Ser Glu Glu Ala Ala Glu 
        35                  40                  45              


Ser Pro Cys Ala Leu Gly Ala Ala Leu Ser Ala Arg Gly Pro Val Tyr 
    50                  55                  60                  


Thr Glu Gln Pro Gly Ala Pro Ala Pro Asp Leu Pro Leu Pro Asp Gly 
65                  70                  75                  80  


Leu Leu Gln Val Pro Phe Arg Asp Ala Trp Pro Gly Thr Phe Ser Phe 
                85                  90                  95      


Ile Ile Glu Thr Trp Arg Glu Glu Leu Gly Asp Gln Ile Gly Gly Pro 
            100                 105                 110         


Ala Trp Ser Leu Leu Ala Arg Val Ala Gly Arg Arg Arg Leu Ala Ala 
        115                 120                 125             


Gly Gly Pro Trp Ala Arg Asp Ile Gln Arg Ala Gly Ala Trp Glu Leu 
    130                 135                 140                 


Arg Phe Ser Tyr Arg Ala Arg Cys Glu Pro Pro Ala Val Gly Thr Ala 
145                 150                 155                 160 


Cys Thr Arg Leu Cys Arg Pro Arg Ser Ala Pro Ser Arg Cys Gly Pro 
                165                 170                 175     


Gly Leu Arg Pro Cys Ala Pro Leu Glu Asp Glu Cys Glu Ala Pro Leu 
            180                 185                 190         


Val Cys Arg Ala Gly Cys Ser Pro Glu His Gly Phe Cys Glu Gln Pro 
        195                 200                 205             


Gly Glu Cys Arg Cys Leu Glu Gly Trp Thr Gly Pro Leu Cys Thr Val 
    210                 215                 220                 


Pro Val Ser Thr Ser Ser Cys Leu Ser Pro Arg Gly Pro Ser Ser Ala 
225                 230                 235                 240 


Thr Thr Gly Cys Leu Val Pro Gly Pro Gly Pro Cys Asp Gly Asn Pro 
                245                 250                 255     


Cys Ala Asn Gly Gly Ser Cys Ser Glu Thr Pro Arg Ser Phe Glu Cys 
            260                 265                 270         


Thr Cys Pro Arg Gly Phe Tyr Gly Leu Arg Cys Glu Val Ser Gly Val 
        275                 280                 285             


Thr Cys Ala Asp Gly Pro Cys Phe Asn Gly Gly Leu Cys Val Gly Gly 
    290                 295                 300                 


Ala Asp Pro Asp Ser Ala Tyr Ile Cys His Cys Pro Pro Gly Phe Gln 
305                 310                 315                 320 


Gly Ser Asn Cys Glu Lys Arg Val Asp Arg Cys Ser Leu Gln Pro Cys 
                325                 330                 335     


Arg Asn Gly Gly Leu Cys Leu Asp Leu Gly His Ala Leu Arg Cys Arg 
            340                 345                 350         


Cys Arg Ala Gly Phe Ala Gly Pro Arg Cys Glu His Asp Leu Asp Asp 
        355                 360                 365             


Cys Ala Gly Arg Ala Cys Ala Asn Gly Gly Thr Cys Val Glu Gly Gly 
    370                 375                 380                 


Gly Ala His Arg Cys Ser Cys Ala Leu Gly Phe Gly Gly Arg Asp Cys 
385                 390                 395                 400 


Arg Glu Arg Ala Asp Pro Cys Ala Ala Arg Pro Cys Ala His Gly Gly 
                405                 410                 415     


Arg Cys Tyr Ala His Phe Ser Gly Leu Val Cys Ala Cys Ala Pro Gly 
            420                 425                 430         


Tyr Met Gly Ala Arg Cys Glu Phe Pro Val His Pro Asp Gly Ala Ser 
        435                 440                 445             


Ala Leu Pro Ala Ala Pro Pro Gly Leu Arg Pro Gly Asp Pro Gln Arg 
    450                 455                 460                 


Tyr Leu 
465     


<210> 12
<211> 1398
<212> DNA
<213> Homo sapiens

<220>
<221> source
<223> /note="cDNA Encoding Extracellular Domain of DLL3"

<400> 12
gctggcgtct tcgagctgca gatccactct ttcgggccgg gtccaggccc tggggccccg       60

cggtccccct gcagcgcccg gctcccctgc cgcctcttct tcagagtctg cctgaagcct      120

gggctctcag aggaggccgc cgagtccccg tgcgccctgg gcgcggcgct gagtgcgcgc      180

ggaccggtct acaccgagca gcccggagcg cccgcgcctg atctcccact gcccgacggc      240

ctcttgcagg tgcccttccg ggacgcctgg cctggcacct tctctttcat catcgaaacc      300

tggagagagg agttaggaga ccagattgga gggcccgcct ggagcctgct ggcgcgcgtg      360

gctggcaggc ggcgcttggc agccggaggc ccgtgggccc gggacattca gcgcgcaggc      420

gcctgggagc tgcgcttctc gtaccgcgcg cgctgcgagc cgcctgccgt cgggaccgcg      480

tgcacgcgcc tctgccgtcc gcgcagcgcc ccctcgcggt gcggtccggg actgcgcccc      540

tgcgcaccgc tcgaggacga atgtgaggcg ccgctggtgt gccgagcagg ctgcagccct      600

gagcatggct tctgtgaaca gcccggtgaa tgccgatgcc tagagggctg gactggaccc      660

ctctgcacgg tccctgtctc caccagcagc tgcctcagcc ccaggggccc gtcctctgct      720

accaccggat gccttgtccc tgggcctggg ccctgtgacg ggaacccgtg tgccaatgga      780

ggcagctgta gtgagacacc caggtccttt gaatgcacct gcccgcgtgg gttctacggg      840

ctgcggtgtg aggtgagcgg ggtgacatgt gcagatggac cctgcttcaa cggcggcttg      900

tgtgtcgggg gtgcagaccc tgactctgcc tacatctgcc actgcccacc cggtttccaa      960

ggctccaact gtgagaagag ggtggaccgg tgcagcctgc agccatgccg caatggcgga     1020

ctctgcctgg acctgggcca cgccctgcgc tgccgctgcc gcgccggctt cgcgggtcct     1080

cgctgcgagc acgacctgga cgactgcgcg ggccgcgcct gcgctaacgg cggcacgtgt     1140

gtggagggcg gcggcgcgca ccgctgctcc tgcgcgctgg gcttcggcgg ccgcgactgc     1200

cgcgagcgcg cggacccgtg cgccgcgcgc ccctgtgctc acggcggccg ctgctacgcc     1260

cacttctccg gcctcgtctg cgcttgcgct cccggctaca tgggagcgcg gtgtgagttc     1320

ccagtgcacc ccgacggcgc aagcgccttg cccgcggccc cgccgggcct caggcccggg     1380

gaccctcagc gctacctt                                                   1398


<210> 13
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #1"

<400> 13
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys His Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 14
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #2"

<400> 14
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys His Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 15
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #3"

<400> 15
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala His Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 16
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #4"

<400> 16
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser His Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 17
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #5"

<400> 17
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly His Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 18
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #6"

<400> 18
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr His Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 19
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #7"

<400> 19
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr His Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 20
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #8"

<400> 20
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe His Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 21
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #9"

<400> 21
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr His Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 22
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #10"

<400> 22
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn His 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 23
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #11"

<400> 23
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


His Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 24
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #12"

<400> 24
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly His Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 25
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #13"

<400> 25
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met His Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 26
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #14"

<400> 26
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly His Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 27
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #15"

<400> 27
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp His Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 28
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #16"

<400> 28
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile His Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 29
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #17"

<400> 29
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn His Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 30
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #18"

<400> 30
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr His Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 31
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #19"

<400> 31
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr His Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 32
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #20"

<400> 32
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr His Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 33
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #21"

<400> 33
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly His Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 34
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #22"

<400> 34
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu His Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 35
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #23"

<400> 35
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro His Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 36
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #24"

<400> 36
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr His Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 37
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #25"

<400> 37
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr His Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 38
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #26"

<400> 38
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala His Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 39
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #27"

<400> 39
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp His Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 40
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #28"

<400> 40
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp His 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 41
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #29"

<400> 41
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


His Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 42
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #30"

<400> 42
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys His Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 43
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #31"

<400> 43
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


His Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 44
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #32"

<400> 44
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala His Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 45
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #33"

<400> 45
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg His Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 46
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #34"

<400> 46
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile His Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 47
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #35"

<400> 47
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly His Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 48
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #36"

<400> 48
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp His Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 49
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #37"

<400> 49
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser His Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 50
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #38"

<400> 50
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser His Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 51
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #39"

<400> 51
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro His Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 52
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #40"

<400> 52
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser His Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 53
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of Rovalpituzumab IgG
      histidine scanning variant #41"

<400> 53
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp His Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 54
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #1"

<400> 54
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys His Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 55
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #2"

<400> 55
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys His Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 56
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #3"

<400> 56
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala His Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 57
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #4"

<400> 57
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser His Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 58
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #5"

<400> 58
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln His Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 59
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #6"

<400> 59
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser His Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 60
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #7"

<400> 60
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val His Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 61
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #8"

<400> 61
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser His Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 62
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #9"

<400> 62
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn His 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 63
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #10"

<400> 63
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


His Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 64
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #11"

<400> 64
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val His Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 65
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #12"

<400> 65
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr His Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 66
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #13"

<400> 66
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr His Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 67
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #14"

<400> 67
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala His Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 68
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #15"

<400> 68
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser His Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 69
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #16"

<400> 69
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn His Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 70
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #17"

<400> 70
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg His Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 71
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #18"

<400> 71
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr His Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 72
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #19"

<400> 72
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys His Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 73
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #20"

<400> 73
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln His Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 74
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #21"

<400> 74
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln His Tyr Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 75
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #22"

<400> 75
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp His Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 76
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #23"

<400> 76
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr His Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 77
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #24"

<400> 77
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr His Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 78
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #25"

<400> 78
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser His Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 79
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #26"

<400> 79
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro His 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 80
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of Rovalpituzumab IgG
      histidine scanning variant #27"

<400> 80
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


His Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 81
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #1"

<400> 81
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr His Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr His Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 82
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #2"

<400> 82
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr His Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr His Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 83
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #3"

<400> 83
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr His Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr His Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 84
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #4"

<400> 84
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr His Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro His Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 85
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #5"

<400> 85
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr His His Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 86
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #6"

<400> 86
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr His Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro His Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 87
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #7"

<400> 87
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr His Thr His Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr His Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 88
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #8"

<400> 88
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr His Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr His His Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 89
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #9"

<400> 89
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr His Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr His Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro His Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 90
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #10"

<400> 90
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr His Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr His Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro His Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 91
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #11"

<400> 91
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr His His Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro His Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 92
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #12"

<400> 92
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr His Thr His Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 93
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #13"

<400> 93
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr His Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro His Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 94
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #14"

<400> 94
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr His Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro His Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 95
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #15"

<400> 95
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr His Thr His Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr His Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 96
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #16"

<400> 96
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr His Thr His Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro His Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 97
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #17"

<400> 97
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr His Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr His His Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 98
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #18"

<400> 98
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr His Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr His Thr Gly Glu Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Met Thr Thr Asp Thr Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Arg Ser Leu Arg Ser Asp Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Asp Ser Ser Pro His Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Leu Val Thr Val Ser Ser 
        115             


<210> 99
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #1"

<400> 99
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala His Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr His Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 100
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #2"

<400> 100
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala His Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr His Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 101
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #3"

<400> 101
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala His Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr His Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 102
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #4"

<400> 102
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala His Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


His Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 103
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #5"

<400> 103
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr His Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr His Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 104
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #6"

<400> 104
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr His Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr His Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 105
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #7"

<400> 105
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr His Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


His Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 106
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #8"

<400> 106
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr His His Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 107
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #9"

<400> 107
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr His Ser Pro Trp 
                85                  90                  95      


His Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 108
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #10"

<400> 108
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr His Pro Trp 
                85                  90                  95      


His Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 109
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #11"

<400> 109
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala His Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr His Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr His Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 110
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #12"

<400> 110
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala His Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr His Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr His Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 111
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #13"

<400> 111
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala His Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr His Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr Ser Pro Trp 
                85                  90                  95      


His Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 112
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #14"

<400> 112
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala His Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr His His Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 113
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #15"

<400> 113
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala His Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr His Ser Pro Trp 
                85                  90                  95      


His Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 114
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #16"

<400> 114
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala His Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr His Pro Trp 
                85                  90                  95      


His Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 115
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #17"

<400> 115
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr His Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr His His Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 116
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #18"

<400> 116
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr His Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr His Ser Pro Trp 
                85                  90                  95      


His Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 117
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #19"

<400> 117
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr His Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr Thr His Pro Trp 
                85                  90                  95      


His Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 118
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of Rovalpituzumab IgG
      histidine scanning variant #20"

<400> 118
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Val Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Thr Gly Ile Pro Ala Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser 
65                  70                  75                  80  


Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Asp Tyr His His Pro Trp 
                85                  90                  95      


His Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 119
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG"

<400> 119
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 120
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG"

<400> 120
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 121
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #1"

<400> 121
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser His Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 122
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #2"

<400> 122
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly His Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 123
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #3"

<400> 123
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr His Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 124
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #4"

<400> 124
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr His Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 125
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #5"

<400> 125
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe His Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 126
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #6"

<400> 126
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr His Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 127
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #7"

<400> 127
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp His 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 128
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #8"

<400> 128
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


His Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 129
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #9"

<400> 129
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser His His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 130
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #10"

<400> 130
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met Ala Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 131
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #11"

<400> 131
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly His Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 132
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #12"

<400> 132
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp His Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 133
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #13"

<400> 133
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile His Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 134
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #14"

<400> 134
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn His Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 135
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #15"

<400> 135
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr His Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 136
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #16"

<400> 136
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu His Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 137
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #17"

<400> 137
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr His Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 138
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #18"

<400> 138
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly His Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 139
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #19"

<400> 139
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu His Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 140
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #20"

<400> 140
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro His Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 141
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #21"

<400> 141
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly His Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 142
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #22"

<400> 142
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr His Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 143
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #23"

<400> 143
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala His Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 144
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #24"

<400> 144
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp His Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 145
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #25"

<400> 145
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp His 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 146
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #26"

<400> 146
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


His Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 147
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #27"

<400> 147
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys His Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 148
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #28"

<400> 148
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


His Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 149
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #29"

<400> 149
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala His Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 150
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #30"

<400> 150
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg His Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 151
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #31"

<400> 151
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr His Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 152
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #32"

<400> 152
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp His Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 153
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #33"

<400> 153
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly His Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 154
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #34"

<400> 154
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr His Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 155
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #35"

<400> 155
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala His Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 156
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #36"

<400> 156
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met His Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 157
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.4 IgG
      histidine scanning variant #37"

<400> 157
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp His Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 158
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #1"

<400> 158
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys His Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 159
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #2"

<400> 159
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg His Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 160
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #3"

<400> 160
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala His Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 161
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #4"

<400> 161
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser His Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 162
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #5"

<400> 162
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln His Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 163
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #6"

<400> 163
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp His Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 164
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #7"

<400> 164
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile His Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 165
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #8"

<400> 165
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser His Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 166
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #9"

<400> 166
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn His 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 167
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #10"

<400> 167
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


His Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 168
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #11"

<400> 168
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu His Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 169
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #12"

<400> 169
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr His Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 170
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #13"

<400> 170
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr His Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 171
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #14"

<400> 171
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser His Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 172
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #15"

<400> 172
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg His His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 173
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #16"

<400> 173
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 174
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #17"

<400> 174
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His His Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 175
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #18"

<400> 175
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys His Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 176
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #19"

<400> 176
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln His Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 177
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #20"

<400> 177
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln His Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 178
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #21"

<400> 178
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly His Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 179
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #22"

<400> 179
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp His Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 180
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #23"

<400> 180
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met His Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 181
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #24"

<400> 181
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu His Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 182
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #25"

<400> 182
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro His 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 183
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #26"

<400> 183
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


His Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 184
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.4 IgG
      histidine scanning variant #27"

<400> 184
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr His Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 185
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #1"

<400> 185
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp His 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly His Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 186
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #2"

<400> 186
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp His 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala His Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 187
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #3"

<400> 187
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp His 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg His Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 188
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #4"

<400> 188
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp His 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met His Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 189
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #5"

<400> 189
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly His Pro Gly Tyr Ala His Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 190
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #6"

<400> 190
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly His Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg His Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 191
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #7"

<400> 191
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly His Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met His Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 192
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #8"

<400> 192
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala His Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg His Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 193
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #9"

<400> 193
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala His Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met His Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 194
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #10"

<400> 194
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg His Asp Gly Tyr Ala Met His Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 195
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #11"

<400> 195
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp His 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly His Pro Gly Tyr Ala His Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 196
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #12"

<400> 196
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp His 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly His Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg His Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 197
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #13"

<400> 197
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp His 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly His Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met His Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 198
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #14"

<400> 198
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp His 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala His Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg His Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 199
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #15"

<400> 199
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp His 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala His Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met His Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 200
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #16"

<400> 200
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp His 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg His Asp Gly Tyr Ala Met His Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 201
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #17"

<400> 201
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly His Pro Gly Tyr Ala His Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg His Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 202
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #18"

<400> 202
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly His Pro Gly Tyr Ala His Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met His Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 203
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #19"

<400> 203
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly His Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg His Asp Gly Tyr Ala Met His Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 204
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #20"

<400> 204
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala His Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg His Asp Gly Tyr Ala Met His Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 205
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #21"

<400> 205
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp His 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly His Pro Gly Tyr Ala His Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg His Asp Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 206
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #22"

<400> 206
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp His 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly His Pro Gly Tyr Ala His Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr Asp Gly Tyr Ala Met His Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 207
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #23"

<400> 207
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp His 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly His Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg His Asp Gly Tyr Ala Met His Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 208
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #24"

<400> 208
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp His 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala His Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg His Asp Gly Tyr Ala Met His Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 209
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #25"

<400> 209
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly His Pro Gly Tyr Ala His Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg His Asp Gly Tyr Ala Met His Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 210
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #26"

<400> 210
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp His 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly His Pro Gly Tyr Ala His Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg His Asp Gly Tyr Ala Met His Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 211
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #27"

<400> 211
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp His 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr His Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 212
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #28"

<400> 212
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly His Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr His Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 213
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #29"

<400> 213
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala His Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr His Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 214
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #30"

<400> 214
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg His His Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 215
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #31"

<400> 215
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr His Gly Tyr Ala Met His Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 216
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #32"

<400> 216
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp His 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly His Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr His Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 217
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #33"

<400> 217
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp His 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala His Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr His Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 218
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #34"

<400> 218
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp His 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg His His Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 219
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #35"

<400> 219
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp His 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr His Gly Tyr Ala Met His Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 220
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #36"

<400> 220
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly His Pro Gly Tyr Ala His Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr His Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 221
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #37"

<400> 221
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly His Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg His His Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 222
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #38"

<400> 222
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly His Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr His Gly Tyr Ala Met His Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 223
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #39"

<400> 223
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala His Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg His His Gly Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 224
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #40"

<400> 224
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala His Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg Tyr His Gly Tyr Ala Met His Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 225
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of SC16.4 IgG
      histidine scanning variant #41"

<400> 225
Gln Ile Gln Leu Val Gln Ser Gly Pro Glu Leu Lys Lys Pro Gly Glu 
1               5                   10                  15      


Thr Val Lys Ile Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ser Met His Trp Val Lys Gln Ala Pro Gly Lys Gly Leu Lys Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Phe Ala Phe Ser Leu Glu Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Ile Asn Asn Leu Lys Asn Glu Asp Thr Ala Thr Tyr Phe Cys 
                85                  90                  95      


Ala Arg His His Gly Tyr Ala Met His Tyr Trp Gly Gln Gly Thr Ser 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 226
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of SC16.4 IgG
      histidine scanning variant #1"

<400> 226
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp His Ser Asn His 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 227
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of SC16.4 IgG
      histidine scanning variant #2"

<400> 227
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp His Ser Asn Tyr 
            20                  25                  30          


Leu His Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 228
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of SC16.4 IgG
      histidine scanning variant #3"

<400> 228
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp His Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp His Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 229
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of SC16.4 IgG
      histidine scanning variant #4"

<400> 229
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn His 
            20                  25                  30          


Leu His Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 230
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of SC16.4 IgG
      histidine scanning variant #5"

<400> 230
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn His 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp His Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 231
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of SC16.4 IgG
      histidine scanning variant #6"

<400> 231
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu His Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp His Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 232
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of SC16.4 IgG
      histidine scanning variant #7"

<400> 232
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp His Ser Asn His 
            20                  25                  30          


Leu His Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp Met Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 233
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of SC16.4 IgG
      histidine scanning variant #8"

<400> 233
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp His Ser Asn His 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp His Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 234
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of SC16.4 IgG
      histidine scanning variant #9"

<400> 234
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp His Ser Asn Tyr 
            20                  25                  30          


Leu His Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp His Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 235
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of SC16.4 IgG
      histidine scanning variant #10"

<400> 235
Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Asn His 
            20                  25                  30          


Leu His Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Leu 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asp His Leu Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 236
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG"

<400> 236
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 237
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG"

<400> 237
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg Ser Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 238
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #1"

<400> 238
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser His Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 239
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #2"

<400> 239
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly His Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 240
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #3"

<400> 240
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe His Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 241
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #4"

<400> 241
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser His Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 242
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #5"

<400> 242
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu His Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 243
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #6"

<400> 243
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser His Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 244
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #7"

<400> 244
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr His 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 245
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #8"

<400> 245
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


His Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 246
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #9"

<400> 246
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly His Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 247
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #10"

<400> 247
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met His Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 248
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #11"

<400> 248
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly His Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 249
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #12"

<400> 249
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val His Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 250
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #13"

<400> 250
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala Ala Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 251
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #14"

<400> 251
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His His Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 252
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #15"

<400> 252
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile His Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 253
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #16"

<400> 253
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp His Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 254
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #17"

<400> 254
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp His Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 255
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #18"

<400> 255
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp His Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 256
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #19"

<400> 256
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp His Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 257
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #20"

<400> 257
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val His Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 258
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #21"

<400> 258
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys His Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 259
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #22"

<400> 259
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg His Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 260
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #23"

<400> 260
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr His Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 261
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #24"

<400> 261
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser His Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 262
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #25"

<400> 262
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro His 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 263
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #26"

<400> 263
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


His Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 264
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #27"

<400> 264
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu His Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 265
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #28"

<400> 265
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys His Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 266
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #29"

<400> 266
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys His Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 267
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #30"

<400> 267
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala His Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 268
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #31"

<400> 268
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg His Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 269
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #32"

<400> 269
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile His Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 270
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #33"

<400> 270
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val His Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 271
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #34"

<400> 271
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser His Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 272
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #35"

<400> 272
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe His Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 273
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #36"

<400> 273
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp His Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 274
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #37"

<400> 274
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn His Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 275
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #38"

<400> 275
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp His Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 276
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #39"

<400> 276
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val His Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 277
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #40"

<400> 277
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val His Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 278
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #41"

<400> 278
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser His Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 279
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #42"

<400> 279
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala His Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 280
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #43"

<400> 280
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met His 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 281
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.13 IgG
      histidine scanning variant #44"

<400> 281
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


His Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 282
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #1"

<400> 282
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys His Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg Ser Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 283
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #2"

<400> 283
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser His Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg Ser Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 284
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #3"

<400> 284
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala His Ser Ser Val Ser Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg Ser Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 285
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #4"

<400> 285
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser His Ser Val Ser Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg Ser Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 286
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #5"

<400> 286
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser His Val Ser Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg Ser Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 287
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #6"

<400> 287
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser Ser His Ser Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg Ser Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 288
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #7"

<400> 288
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val His Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg Ser Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 289
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #8"

<400> 289
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser His Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg Ser Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 290
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #9"

<400> 290
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr His 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg Ser Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 291
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #10"

<400> 291
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg Ser Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 292
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #11"

<400> 292
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


His Thr Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg Ser Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 293
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #12"

<400> 293
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu His Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg Ser Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 294
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #13"

<400> 294
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr His Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg Ser Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 295
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #14"

<400> 295
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser His Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg Ser Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 296
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #15"

<400> 296
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser Asn His Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg Ser Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 297
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #16"

<400> 297
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser Asn Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg Ser Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 298
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #17"

<400> 298
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser Asn Leu Ala His Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg Ser Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 299
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #18"

<400> 299
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys His Gln Trp Arg Ser Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 300
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #19"

<400> 300
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln His Trp Arg Ser Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 301
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #20"

<400> 301
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln His Arg Ser Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 302
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #21"

<400> 302
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp His Ser Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 303
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #22"

<400> 303
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg His Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 304
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #23"

<400> 304
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg Ser His Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 305
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #24"

<400> 305
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg Ser Asn His Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 306
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #25"

<400> 306
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg Ser Asn Pro His Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 307
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.13 IgG
      histidine scanning variant #26"

<400> 307
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


Tyr Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


Leu Thr Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg Ser Asn Pro Phe His 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 308
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #1"

<400> 308
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly His Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala Ala Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 309
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #2"

<400> 309
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly His Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp His Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 310
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #3"

<400> 310
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly His Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val His Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 311
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #4"

<400> 311
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly His Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn His Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 312
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #5"

<400> 312
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala Ala Ile Trp His Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 313
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #6"

<400> 313
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala Ala Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val His Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 314
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #7"

<400> 314
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala Ala Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn His Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 315
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #8"

<400> 315
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp His Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val His Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 316
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #9"

<400> 316
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp His Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn His Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 317
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #10"

<400> 317
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val His Phe Asp Asn His Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 318
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #11"

<400> 318
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly His Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala Ala Ile Trp His Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 319
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #12"

<400> 319
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly His Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala Ala Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val His Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 320
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #13"

<400> 320
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly His Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala Ala Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn His Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 321
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #14"

<400> 321
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly His Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp His Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val His Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 322
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #15"

<400> 322
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly His Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp His Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn His Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 323
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #16"

<400> 323
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly His Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val His Phe Asp Asn His Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 324
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #17"

<400> 324
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala Ala Ile Trp His Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val His Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 325
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #18"

<400> 325
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala Ala Ile Trp His Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn His Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 326
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #19"

<400> 326
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala Ala Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val His Phe Asp Asn His Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 327
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #20"

<400> 327
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp His Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val His Phe Asp Asn His Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 328
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #21"

<400> 328
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly His Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala Ala Ile Trp His Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val His Phe Asp Asn Asp Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 329
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #22"

<400> 329
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly His Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala Ala Ile Trp His Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val Ser Phe Asp Asn His Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 330
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #23"

<400> 330
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly His Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala Ala Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val His Phe Asp Asn His Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 331
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #24"

<400> 331
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly His Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala His Ile Trp His Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val His Phe Asp Asn His Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 332
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #25"

<400> 332
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala Ala Ile Trp His Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val His Phe Asp Asn His Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 333
<211> 124
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain Combinations of hSC16.13 IgG
      histidine scanning variant #26"

<400> 333
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly His Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Ala Ala Ile Trp His Asp Asp Val Lys Arg Tyr Ser Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Ile Val His Phe Asp Asn His Val Val Ser Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210> 334
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain Combinations of SC16.4 IgG
      histidine scanning variant #1"

<400> 334
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile Tyr 
        35                  40                  45              


His Thr Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Arg Ser Asn Pro Phe Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 335
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG"

<400> 335
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 336
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG"

<400> 336
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu Asn Ile Tyr Tyr Asn 
            20                  25                  30          


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr Ala Asn Ser Leu Glu Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys Gln Ala Tyr Asp Val Pro Pro 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 337
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #1"

<400> 337
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys His Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 338
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #2"

<400> 338
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys His Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 339
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #3"

<400> 339
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala His Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 340
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #4"

<400> 340
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser His Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 341
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #5"

<400> 341
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly His Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 342
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #6"

<400> 342
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr His Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 343
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #7"

<400> 343
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr His Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 344
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #8"

<400> 344
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe His Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 345
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #9"

<400> 345
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr His Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 346
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #10"

<400> 346
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg His 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 347
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #11"

<400> 347
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


His Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 348
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #12"

<400> 348
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp His His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 349
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #13"

<400> 349
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile Ala Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 350
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #14"

<400> 350
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly His Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 351
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #15"

<400> 351
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr His Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 352
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #16"

<400> 352
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile His Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 353
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #17"

<400> 353
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn His Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 354
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #18"

<400> 354
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro His Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 355
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #19"

<400> 355
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr His Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 356
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #20"

<400> 356
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr His Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 357
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #21"

<400> 357
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val His Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 358
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #22"

<400> 358
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr His Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 359
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #23"

<400> 359
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr His Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 360
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #24"

<400> 360
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu His Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 361
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #25"

<400> 361
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe His Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 362
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #26"

<400> 362
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn His Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 363
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #27"

<400> 363
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln His Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 364
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #28"

<400> 364
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn His 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 365
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #29"

<400> 365
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


His Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 366
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #30"

<400> 366
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys His Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 367
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #31"

<400> 367
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


His Arg Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 368
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #32"

<400> 368
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala His Gly Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 369
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #33"

<400> 369
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg His Gly Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 370
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #34"

<400> 370
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly His Ser Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 371
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #35"

<400> 371
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly His Asn Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 372
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #36"

<400> 372
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser His Phe Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 373
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #37"

<400> 373
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn His Phe Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 374
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #38"

<400> 374
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe His Asp Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 375
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #39"

<400> 375
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe His Tyr Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 376
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.15 IgG
      histidine scanning variant #40"

<400> 376
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr 
            20                  25                  30          


Trp Ile His Trp Ile Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe 
    50                  55                  60                  


Lys Asp Arg Val Thr Met Thr Arg Asp Thr Ser Thr Ser Thr Val Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Gly Ser Asn Phe Phe Asp His Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210> 377
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #1"

<400> 377
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser His Asn Ile Tyr Tyr Asn 
            20                  25                  30          


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr Ala Asn Ser Leu Glu Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys Gln Ala Tyr Asp Val Pro Pro 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 378
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #2"

<400> 378
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu His Ile Tyr Tyr Asn 
            20                  25                  30          


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr Ala Asn Ser Leu Glu Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys Gln Ala Tyr Asp Val Pro Pro 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 379
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #3"

<400> 379
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu Asn His Tyr Tyr Asn 
            20                  25                  30          


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr Ala Asn Ser Leu Glu Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys Gln Ala Tyr Asp Val Pro Pro 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 380
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #4"

<400> 380
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu Asn Ile His Tyr Asn 
            20                  25                  30          


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr Ala Asn Ser Leu Glu Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys Gln Ala Tyr Asp Val Pro Pro 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 381
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #5"

<400> 381
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu Asn Ile Tyr His Asn 
            20                  25                  30          


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr Ala Asn Ser Leu Glu Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys Gln Ala Tyr Asp Val Pro Pro 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 382
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #6"

<400> 382
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu Asn Ile Tyr Tyr His 
            20                  25                  30          


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr Ala Asn Ser Leu Glu Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys Gln Ala Tyr Asp Val Pro Pro 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 383
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #7"

<400> 383
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu Asn Ile Tyr Tyr Asn 
            20                  25                  30          


His Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr Ala Asn Ser Leu Glu Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys Gln Ala Tyr Asp Val Pro Pro 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 384
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #8"

<400> 384
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu Asn Ile Tyr Tyr Asn 
            20                  25                  30          


Leu His Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr Ala Asn Ser Leu Glu Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys Gln Ala Tyr Asp Val Pro Pro 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 385
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #9"

<400> 385
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu Asn Ile Tyr Tyr Asn 
            20                  25                  30          


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr His Ala Asn Ser Leu Glu Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys Gln Ala Tyr Asp Val Pro Pro 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 386
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #10"

<400> 386
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu Asn Ile Tyr Tyr Asn 
            20                  25                  30          


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr His Asn Ser Leu Glu Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys Gln Ala Tyr Asp Val Pro Pro 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 387
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #11"

<400> 387
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu Asn Ile Tyr Tyr Asn 
            20                  25                  30          


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr Ala His Ser Leu Glu Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys Gln Ala Tyr Asp Val Pro Pro 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 388
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #12"

<400> 388
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu Asn Ile Tyr Tyr Asn 
            20                  25                  30          


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr Ala Asn His Leu Glu Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys Gln Ala Tyr Asp Val Pro Pro 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 389
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #13"

<400> 389
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu Asn Ile Tyr Tyr Asn 
            20                  25                  30          


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr Ala Asn Ser His Glu Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys Gln Ala Tyr Asp Val Pro Pro 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 390
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #14"

<400> 390
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu Asn Ile Tyr Tyr Asn 
            20                  25                  30          


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr Ala Asn Ser Leu His Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys Gln Ala Tyr Asp Val Pro Pro 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 391
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #15"

<400> 391
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu Asn Ile Tyr Tyr Asn 
            20                  25                  30          


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr Ala Asn Ser Leu Glu His Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys Gln Ala Tyr Asp Val Pro Pro 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 392
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #16"

<400> 392
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu Asn Ile Tyr Tyr Asn 
            20                  25                  30          


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr Ala Asn Ser Leu Glu Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys His Gln Ala Tyr Asp Val Pro Pro 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 393
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #17"

<400> 393
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu Asn Ile Tyr Tyr Asn 
            20                  25                  30          


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr Ala Asn Ser Leu Glu Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys His Ala Tyr Asp Val Pro Pro 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 394
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #18"

<400> 394
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu Asn Ile Tyr Tyr Asn 
            20                  25                  30          


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr Ala Asn Ser Leu Glu Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys Gln His Tyr Asp Val Pro Pro 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 395
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #19"

<400> 395
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu Asn Ile Tyr Tyr Asn 
            20                  25                  30          


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr Ala Asn Ser Leu Glu Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys Gln Ala His Asp Val Pro Pro 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 396
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #20"

<400> 396
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu Asn Ile Tyr Tyr Asn 
            20                  25                  30          


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr Ala Asn Ser Leu Glu Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys Gln Ala Tyr His Val Pro Pro 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 397
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #21"

<400> 397
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu Asn Ile Tyr Tyr Asn 
            20                  25                  30          


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr Ala Asn Ser Leu Glu Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys Gln Ala Tyr Asp His Pro Pro 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 398
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #22"

<400> 398
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu Asn Ile Tyr Tyr Asn 
            20                  25                  30          


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr Ala Asn Ser Leu Glu Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys Gln Ala Tyr Asp Val His Pro 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 399
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #23"

<400> 399
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu Asn Ile Tyr Tyr Asn 
            20                  25                  30          


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr Ala Asn Ser Leu Glu Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys Gln Ala Tyr Asp Val Pro His 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 400
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.15 IgG
      histidine scanning variant #24"

<400> 400
Ala Ile Gln Leu Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Glu Asn Ile Tyr Tyr Asn 
            20                  25                  30          


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Thr Ala Asn Ser Leu Glu Asp Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Phe Cys Lys Gln Ala Tyr Asp Val Pro Pro 
                85                  90                  95      


His Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105         


<210> 401
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG"

<400> 401
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 402
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG"

<400> 402
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


Asp Ser Ser Lys Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Ser Ser Asn Pro Leu Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 403
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #1"

<400> 403
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser His Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 404
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #2"

<400> 404
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly His Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 405
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #3"

<400> 405
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe His Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 406
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #4"

<400> 406
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser His Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 407
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #5"

<400> 407
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu His Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 408
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #6"

<400> 408
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser His Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 409
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #7"

<400> 409
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr His 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 410
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #8"

<400> 410
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


His Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 411
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #9"

<400> 411
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly His Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 412
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #10"

<400> 412
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met His Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 413
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #11"

<400> 413
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly His Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 414
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #12"

<400> 414
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val His Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 415
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #13"

<400> 415
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr His Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 416
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #14"

<400> 416
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp His Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 417
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #15"

<400> 417
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile His Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 418
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #16"

<400> 418
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp His Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 419
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #17"

<400> 419
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp His Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 420
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #18"

<400> 420
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp His Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 421
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #19"

<400> 421
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp His Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 422
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #20"

<400> 422
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn His Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 423
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #21"

<400> 423
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys His Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 424
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #22"

<400> 424
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr His Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 425
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #23"

<400> 425
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr His Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 426
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #24"

<400> 426
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn His Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 427
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #25"

<400> 427
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro His 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 428
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #26"

<400> 428
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


His Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 429
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #27"

<400> 429
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu His Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 430
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #28"

<400> 430
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys His Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 431
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #29"

<400> 431
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys His Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 432
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #30"

<400> 432
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala His Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 433
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #31"

<400> 433
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg His Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 434
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #32"

<400> 434
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg His Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 435
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #33"

<400> 435
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val His Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 436
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #34"

<400> 436
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn His Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 437
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #35"

<400> 437
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr His Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 438
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #36"

<400> 438
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr His Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 439
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #37"

<400> 439
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr His Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 440
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #38"

<400> 440
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp His Tyr Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 441
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #39"

<400> 441
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro His Tyr Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 442
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #40"

<400> 442
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr His Ala Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 443
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #41"

<400> 443
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr His Met Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 444
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #42"

<400> 444
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala His Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 445
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #43"

<400> 445
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met His 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 446
<211> 125
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.25 IgG
      histidine scanning variant #44"

<400> 446
Gln Ile Thr Leu Lys Glu Ser Gly Pro Thr Leu Val Lys Pro Thr Gln 
1               5                   10                  15      


Thr Leu Thr Leu Thr Cys Thr Phe Ser Gly Phe Ser Leu Ser Thr Ser 
            20                  25                  30          


Gly Met Gly Val Gly Trp Ile Arg Gln Pro Pro Gly Lys Ala Leu Glu 
        35                  40                  45              


Trp Leu Thr Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Thr Lys Asp Thr Ser Lys Asn Gln Val 
65                  70                  75                  80  


Val Leu Thr Met Thr Asn Met Asp Pro Val Asp Thr Ala Thr Tyr Tyr 
                85                  90                  95      


Cys Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp 
            100                 105                 110         


His Trp Gly Gln Gly Thr Thr Leu Val Thr Val Ser Ser 
        115                 120                 125 


<210> 447
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG
      histidine scanning variant #1"

<400> 447
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser His Ser Val Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


Asp Ser Ser Lys Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Ser Ser Asn Pro Leu Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 448
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG
      histidine scanning variant #2"

<400> 448
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser Ser His Val Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


Asp Ser Ser Lys Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Ser Ser Asn Pro Leu Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 449
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG
      histidine scanning variant #3"

<400> 449
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser Ser Ser His Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


Asp Ser Ser Lys Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Ser Ser Asn Pro Leu Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 450
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG
      histidine scanning variant #4"

<400> 450
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val His Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


Asp Ser Ser Lys Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Ser Ser Asn Pro Leu Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 451
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG
      histidine scanning variant #5"

<400> 451
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser His Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


Asp Ser Ser Lys Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Ser Ser Asn Pro Leu Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 452
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG
      histidine scanning variant #6"

<400> 452
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr His 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


Asp Ser Ser Lys Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Ser Ser Asn Pro Leu Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 453
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG
      histidine scanning variant #7"

<400> 453
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


Ala Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


Asp Ser Ser Lys Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Ser Ser Asn Pro Leu Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 454
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG
      histidine scanning variant #8"

<400> 454
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


His Ser Ser Lys Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Ser Ser Asn Pro Leu Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 455
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG
      histidine scanning variant #9"

<400> 455
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


Asp His Ser Lys Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Ser Ser Asn Pro Leu Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 456
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG
      histidine scanning variant #10"

<400> 456
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


Asp Ser His Lys Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Ser Ser Asn Pro Leu Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 457
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG
      histidine scanning variant #11"

<400> 457
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


Asp Ser Ser His Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Ser Ser Asn Pro Leu Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 458
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG
      histidine scanning variant #12"

<400> 458
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


Asp Ser Ser Lys His Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Ser Ser Asn Pro Leu Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 459
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG
      histidine scanning variant #13"

<400> 459
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


Asp Ser Ser Lys Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Ser Ser Asn Pro Leu Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 460
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG
      histidine scanning variant #14"

<400> 460
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


Asp Ser Ser Lys Leu Ala His Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Ser Ser Asn Pro Leu Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 461
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG
      histidine scanning variant #15"

<400> 461
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


Asp Ser Ser Lys Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys His Gln Trp Ser Ser Asn Pro Leu Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 462
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG
      histidine scanning variant #16"

<400> 462
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


Asp Ser Ser Lys Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln His Trp Ser Ser Asn Pro Leu Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 463
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG
      histidine scanning variant #17"

<400> 463
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


Asp Ser Ser Lys Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln His Ser Ser Asn Pro Leu Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 464
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG
      histidine scanning variant #18"

<400> 464
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


Asp Ser Ser Lys Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp His Ser Asn Pro Leu Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 465
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG
      histidine scanning variant #19"

<400> 465
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


Asp Ser Ser Lys Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Ser His Asn Pro Leu Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 466
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG
      histidine scanning variant #20"

<400> 466
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


Asp Ser Ser Lys Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Ser Ser His Pro Leu Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 467
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG
      histidine scanning variant #21"

<400> 467
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


Asp Ser Ser Lys Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Ser Ser Asn His Leu Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 468
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG
      histidine scanning variant #22"

<400> 468
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


Asp Ser Ser Lys Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Ser Ser Asn Pro His Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 469
<211> 106
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.25 IgG
      histidine scanning variant #23"

<400> 469
Glu Ile Val Leu Thr Gln Ser Pro Asp Phe Gln Ser Val Thr Pro Lys 
1               5                   10                  15      


Glu Lys Val Thr Ile Thr Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Asp Gln Ser Pro Lys Leu Leu Ile Lys 
        35                  40                  45              


Asp Ser Ser Lys Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Asn Ser Leu Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Ser Ser Asn Pro Leu His 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210> 470
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG"

<400> 470
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 471
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG"

<400> 471
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln Gln Asp Tyr Ser Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 472
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #1"

<400> 472
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys His Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 473
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #2"

<400> 473
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys His Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 474
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #3"

<400> 474
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala His Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 475
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #4"

<400> 475
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser His Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 476
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #5"

<400> 476
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly His Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 477
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #6"

<400> 477
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr His Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 478
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #7"

<400> 478
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr His Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 479
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #8"

<400> 479
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe His Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 480
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #9"

<400> 480
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr His Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 481
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #10"

<400> 481
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn His 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 482
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #11"

<400> 482
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


His Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 483
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #12"

<400> 483
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly His Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 484
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #13"

<400> 484
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met His Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 485
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #14"

<400> 485
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly His Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 486
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #15"

<400> 486
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp His Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 487
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #16"

<400> 487
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile His Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 488
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #17"

<400> 488
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn His Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 489
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #18"

<400> 489
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr His Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 490
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #19"

<400> 490
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr His Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 491
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #20"

<400> 491
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr His Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 492
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #21"

<400> 492
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly His Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 493
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #22"

<400> 493
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp His Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 494
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #23"

<400> 494
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro His Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 495
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #24"

<400> 495
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr His Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 496
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #25"

<400> 496
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr His Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 497
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #26"

<400> 497
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala His Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 498
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #27"

<400> 498
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp His Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 499
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #28"

<400> 499
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp His 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 500
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #29"

<400> 500
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


His Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 501
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #30"

<400> 501
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys His Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 502
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #31"

<400> 502
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


His Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 503
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #32"

<400> 503
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala His Ile Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 504
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #33"

<400> 504
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg His Gly Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 505
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #34"

<400> 505
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile His Gly Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 506
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #35"

<400> 506
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly His Asn Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 507
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #36"

<400> 507
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly His Ser Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 508
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #37"

<400> 508
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn His Pro Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 509
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #38"

<400> 509
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser His Ser Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 510
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #39"

<400> 510
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro His Asp Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 511
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #40"

<400> 511
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser His Tyr Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 512
<211> 118
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of hSC16.34 IgG
      histidine scanning variant #41"

<400> 512
Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr 
            20                  25                  30          


Gly Met Asn Trp Val Arg Gln Ala Pro Gly Gln Arg Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe 
    50                  55                  60                  


Lys Gly Arg Val Thr Ile Thr Arg Asp Thr Ser Ala Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp His Trp Gly Gln Gly Thr 
            100                 105                 110         


Thr Val Thr Val Ser Ser 
        115             


<210> 513
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #1"

<400> 513
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser His Ser Val Ser Asn Asp 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln Gln Asp Tyr Ser Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 514
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #2"

<400> 514
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln His Val Ser Asn Asp 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln Gln Asp Tyr Ser Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 515
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #3"

<400> 515
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln Ser His Ser Asn Asp 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln Gln Asp Tyr Ser Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 516
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #4"

<400> 516
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln Ser Val His Asn Asp 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln Gln Asp Tyr Ser Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 517
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #5"

<400> 517
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln Ser Val Ser His Asp 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln Gln Asp Tyr Ser Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 518
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #6"

<400> 518
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln Ser Val Ser Asn His 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln Gln Asp Tyr Ser Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 519
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #7"

<400> 519
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


His Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln Gln Asp Tyr Ser Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 520
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #8"

<400> 520
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val His Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln Gln Asp Tyr Ser Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 521
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #9"

<400> 521
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr His Ala Ser Asn Arg Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln Gln Asp Tyr Ser Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 522
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #10"

<400> 522
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr His Ser Asn Arg Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln Gln Asp Tyr Ser Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 523
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #11"

<400> 523
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala His Asn Arg Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln Gln Asp Tyr Ser Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 524
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #12"

<400> 524
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser His Arg Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln Gln Asp Tyr Ser Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 525
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #13"

<400> 525
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn His Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln Gln Asp Tyr Ser Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 526
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #14"

<400> 526
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln Gln Asp Tyr Ser Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 527
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #15"

<400> 527
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr His Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln Gln Asp Tyr Ser Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 528
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #16"

<400> 528
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys His Gln Asp Tyr Ser Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 529
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #17"

<400> 529
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln His Asp Tyr Ser Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 530
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #18"

<400> 530
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln Gln His Tyr Ser Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 531
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #19"

<400> 531
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln Gln Asp His Ser Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 532
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #20"

<400> 532
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln Gln Asp Tyr His Ser Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 533
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #21"

<400> 533
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln Gln Asp Tyr Ser His Pro Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 534
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #22"

<400> 534
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln Gln Asp Tyr Ser Ser His Trp 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 535
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #23"

<400> 535
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln Gln Asp Tyr Ser Ser Pro His 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 536
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of hSC16.34 IgG
      histidine scanning variant #24"

<400> 536
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Lys Ala Ser Gln Ser Val Ser Asn Asp 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Val Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Ala Ser Asn Arg Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Val Ala Thr Tyr Phe Cys Gln Gln Asp Tyr Ser Ser Pro Trp 
                85                  90                  95      


His Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 537
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG"

<400> 537
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 538
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG"

<400> 538
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 539
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #1"

<400> 539
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser His Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 540
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #2"

<400> 540
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala His Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 541
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #3"

<400> 541
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe His Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 542
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #4"

<400> 542
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr His Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 543
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #5"

<400> 543
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe His Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 544
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #6"

<400> 544
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr His Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 545
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #7"

<400> 545
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr His 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 546
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #8"

<400> 546
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


His Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 547
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #9"

<400> 547
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala His Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 548
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #10"

<400> 548
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met His Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 549
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #11"

<400> 549
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala His Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 550
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #12"

<400> 550
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg His Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 551
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #13"

<400> 551
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile His Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 552
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #14"

<400> 552
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg His Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 553
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #15"

<400> 553
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn His Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 554
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #16"

<400> 554
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys His Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 555
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #17"

<400> 555
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser His Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 556
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #18"

<400> 556
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn His Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 557
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #19"

<400> 557
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn His Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 558
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #20"

<400> 558
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr His Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 559
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #21"

<400> 559
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala His Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 560
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #22"

<400> 560
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr His Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 561
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #23"

<400> 561
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr His Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 562
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #24"

<400> 562
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr His Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 563
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #25"

<400> 563
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala His 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 564
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #26"

<400> 564
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


His Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 565
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #27"

<400> 565
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser His Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 566
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #28"

<400> 566
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val His Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 567
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #29"

<400> 567
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys His Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 568
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #30"

<400> 568
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys His Phe Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 569
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #31"

<400> 569
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val His Tyr Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 570
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #32"

<400> 570
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe His Tyr Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 571
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #33"

<400> 571
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr His Asp Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 572
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #34"

<400> 572
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr His Tyr Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 573
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #35"

<400> 573
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp His Val Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 574
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #36"

<400> 574
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr His Tyr Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 575
<211> 117
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Heavy Chain of SC16.67 IgG
      histidine scanning variant #37"

<400> 575
Glu Val Gln Leu Val Glu Thr Gly Gly Gly Leu Val Gln Pro Lys Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Ala Val Ser Ala Phe Thr Phe Thr Thr Tyr 
            20                  25                  30          


Ala Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ala Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp 
    50                  55                  60                  


Ser Val Lys Asp Arg Phe Thr Ile Ser Arg Asp Asp Ser Gln Ser Met 
65                  70                  75                  80  


Leu Tyr Leu Gln Met Asn Asn Leu Lys Ile Glu Asp Thr Ala Met Tyr 
                85                  90                  95      


Tyr Cys Val Phe Tyr Tyr Asp Tyr Val His Trp Gly Gln Gly Thr Leu 
            100                 105                 110         


Val Thr Val Ser Ala 
        115         


<210> 576
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #1"

<400> 576
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys His Ser Ser Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 577
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #2"

<400> 577
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg His Ser Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 578
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #3"

<400> 578
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser His Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 579
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #4"

<400> 579
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser His Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 580
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #5"

<400> 580
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr His Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 581
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #6"

<400> 581
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly His Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 582
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #7"

<400> 582
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala His Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 583
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #8"

<400> 583
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val His Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 584
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #9"

<400> 584
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr His Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 585
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #10"

<400> 585
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr Thr His 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 586
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #11"

<400> 586
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


His Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 587
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #12"

<400> 587
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn His Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 588
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #13"

<400> 588
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr His Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 589
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #14"

<400> 589
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala His Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 590
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #15"

<400> 590
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly His Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 591
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #16"

<400> 591
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly His Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 592
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #17"

<400> 592
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr His Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 593
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #18"

<400> 593
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn His Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 594
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #19"

<400> 594
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn His Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 595
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #20"

<400> 595
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg His Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 596
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #21"

<400> 596
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala His Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 597
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #22"

<400> 597
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys His Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 598
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #23"

<400> 598
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly His Trp Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 599
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #24"

<400> 599
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu His Tyr Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 600
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #25"

<400> 600
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp His Ser Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 601
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #26"

<400> 601
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr His Asn 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 602
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #27"

<400> 602
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser His 
                85                  90                  95      


His Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 603
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #28"

<400> 603
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


Ala Leu Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 604
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #29"

<400> 604
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His His Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 605
<211> 109
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Light Chain of SC16.67 IgG
      histidine scanning variant #30"

<400> 605
Gln Ala Val Val Thr Gln Glu Ser Ala Leu Thr Thr Ser Pro Gly Glu 
1               5                   10                  15      


Thr Val Thr Leu Thr Cys Arg Ser Ser Thr Gly Ala Val Thr Thr Ser 
            20                  25                  30          


Asn Tyr Ala Asn Trp Ile Gln Glu Lys Pro Asp His Leu Phe Thr Gly 
        35                  40                  45              


Leu Ile Gly Gly Thr Asn Asn Arg Ala Pro Gly Val Pro Ala Arg Phe 
    50                  55                  60                  


Ser Gly Ser Leu Ile Gly Asp Lys Ala Ala Leu Thr Ile Thr Gly Ala 
65                  70                  75                  80  


Gln Thr Glu Asp Glu Ala Ile Tyr Phe Cys Gly Leu Trp Tyr Ser Asn 
                85                  90                  95      


His Leu His Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 


<210> 606
<211> 123
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Humanized VH variant #1"

<400> 606
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Asn Ile Ser Tyr Tyr 
            20                  25                  30          


Tyr Ile Gly Trp Val Arg Arg Ala Pro Gly Lys Gly Glu Glu Leu Val 
        35                  40                  45              


Ala Arg Ile Tyr Pro Thr Asn Gly Tyr Thr Arg Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Ala Asp Thr Ser Lys Asn Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ala Tyr Gly Asp Ser Asp His Tyr Ser Glu Ala Ile Asp Tyr 
            100                 105                 110         


Ser Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120             


<210> 607
<211> 126
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Humanized VH variant #2"

<400> 607
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Asn Ile Tyr Ser Glu 
            20                  25                  30          


Ser Ile Gly Trp Val Arg Arg Ala Pro Gly Lys Gly Glu Glu Leu Val 
        35                  40                  45              


Ala Arg Ile Tyr Pro Thr Asn Gly Tyr Thr Arg Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Ala Asp Thr Ser Lys Asn Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ser Tyr Tyr Ser His Tyr Asp Gly His Tyr His Tyr Tyr Gly 
            100                 105                 110         


Leu Asp Tyr Ser Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 125     


<210> 608
<211> 129
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Humanized VH variant #3"

<400> 608
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Asn Ile Ser Tyr Tyr 
            20                  25                  30          


Ser Ile Gly Trp Val Arg Arg Ala Pro Gly Lys Gly Glu Glu Leu Val 
        35                  40                  45              


Ala Arg Ile Tyr Pro Thr Asn Gly Tyr Thr Arg Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Ala Asp Thr Ser Lys Asn Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Tyr His His Ser Glu Tyr Ser Asp Tyr Tyr Gly Tyr Tyr Ser 
            100                 105                 110         


Glu Tyr Gly Phe Asp Tyr Ser Gly Gln Gly Thr Leu Val Thr Val Arg 
        115                 120                 125             


Ser 
    


<210> 609
<211> 126
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Humanized VH variant #4"

<400> 609
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Asn Ile Tyr Ser Tyr 
            20                  25                  30          


Ser Ile Gly Trp Val Arg Arg Ala Pro Gly Lys Gly Glu Glu Leu Val 
        35                  40                  45              


Ala Arg Ile Tyr Pro Thr Asn Gly Tyr Thr Arg Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Ala Asp Thr Ser Lys Asn Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Glu His Tyr His Gly Tyr Tyr Asp Gly Ala His Tyr Tyr Ala 
            100                 105                 110         


Leu Asp Tyr Ser Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 125     


<210> 610
<211> 126
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Humanized VH variant #5"

<400> 610
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Asn Ile Glu Tyr Tyr 
            20                  25                  30          


Ser Ile Gly Trp Val Arg Arg Ala Pro Gly Lys Gly Glu Glu Leu Val 
        35                  40                  45              


Ala Arg Ile Tyr Pro Thr Asn Gly Tyr Thr Arg Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Ala Asp Thr Ser Lys Asn Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Glu Tyr Tyr Ser Tyr His Asp Glu Tyr Glu Tyr Asp Tyr Ala 
            100                 105                 110         


Leu Asp Tyr Ser Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 125     


<210> 611
<211> 126
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Humanized VH variant #6"

<400> 611
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Asn Ile Glu His Tyr 
            20                  25                  30          


Ser Ile Gly Trp Val Arg Arg Ala Pro Gly Lys Gly Glu Glu Leu Val 
        35                  40                  45              


Ala Arg Ile Tyr Pro Thr Asn Gly Tyr Thr Arg Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Ala Asp Thr Ser Lys Asn Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg His His Tyr Tyr Gly Tyr His Ser Gly Tyr His His Tyr Ala 
            100                 105                 110         


Ile Asp Tyr Ser Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 125     


<210> 612
<211> 126
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Humanized VH variant #7"

<400> 612
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Asn Ile Ser Ser Ser 
            20                  25                  30          


Asp Ile Gly Trp Val Arg Arg Ala Pro Gly Lys Gly Glu Glu Leu Val 
        35                  40                  45              


Ala Arg Ile Tyr Pro Thr Asn Gly Tyr Thr Arg Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Ala Asp Thr Ser Lys Asn Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Tyr Tyr Tyr Tyr Asp Asp Asp Gly Tyr Tyr Tyr Glu His Ala 
            100                 105                 110         


Ile Asp Tyr Ser Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 125     


<210> 613
<211> 126
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Humanized VH variant #8"

<400> 613
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Asn Ile Glu Tyr Glu 
            20                  25                  30          


Ser Ile Gly Trp Val Arg Arg Ala Pro Gly Lys Gly Glu Glu Leu Val 
        35                  40                  45              


Ala Arg Ile Tyr Pro Thr Asn Gly Tyr Thr Arg Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Ala Asp Thr Ser Lys Asn Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ser Glu Tyr Ser His Tyr Ser Gly Ser His His Tyr Tyr Ala 
            100                 105                 110         


Leu Asp Tyr Ser Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 125     


<210> 614
<211> 126
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Humanized VH variant #9"

<400> 614
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Asn Ile Ser Glu His 
            20                  25                  30          


Ser Ile Gly Trp Val Arg Arg Ala Pro Gly Lys Gly Glu Glu Leu Val 
        35                  40                  45              


Ala Arg Ile Tyr Pro Thr Asn Gly Tyr Thr Arg Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Ala Asp Thr Ser Lys Asn Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ser Tyr Tyr His Gly Tyr Ser His Gly His His Tyr Tyr Ala 
            100                 105                 110         


Ile Asp Tyr Ser Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 125     


<210> 615
<211> 129
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Humanized VH variant #10"

<400> 615
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Asn Ile His Ser Tyr 
            20                  25                  30          


Tyr Ile Gly Trp Val Arg Arg Ala Pro Gly Lys Gly Glu Glu Leu Val 
        35                  40                  45              


Ala Arg Ile Tyr Pro Thr Asn Gly Tyr Thr Arg Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Ala Asp Thr Ser Lys Asn Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Gly Tyr Tyr Gly His Glu Tyr Asp Tyr His Tyr Asp Tyr Tyr 
            100                 105                 110         


Gly Gly Gly Phe Asp Tyr Ser Gly Gln Gly Thr Leu Val Thr Val Ser 
        115                 120                 125             


Ser 
    


<210> 616
<211> 122
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Humanized VH variant #11"

<400> 616
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Asn Ile His Tyr Glu 
            20                  25                  30          


Glu Ile Gly Trp Val Arg Arg Ala Pro Gly Lys Gly Glu Glu Leu Val 
        35                  40                  45              


Ala Arg Ile Tyr Pro Thr Asn Gly Tyr Thr Arg Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Ala Asp Thr Ser Lys Asn Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Tyr Ser Tyr Tyr Tyr His Tyr Gly Gly Gly Met Asp Tyr Ser 
            100                 105                 110         


Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120         


<210> 617
<211> 122
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Humanized VH variant #12"

<400> 617
Glu Val Gln Leu Val Glu Ser Gly Gly Leu Val Gln Pro Gly Gly Ser 
1               5                   10                  15      


Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Asn Ile Glu Ser Ser Tyr 
            20                  25                  30          


Ile Gly Trp Val Arg Arg Ala Pro Gly Lys Gly Glu Glu Leu Val Ala 
        35                  40                  45              


Arg Ile Tyr Pro Thr Asn Gly Tyr Thr Arg Tyr Ala Asp Ser Val Lys 
    50                  55                  60                  


Gly Arg Phe Thr Ile Ser Ala Asp Thr Ser Lys Asn Thr Ala Tyr Leu 
65                  70                  75                  80  


Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys Ala 
                85                  90                  95      


Arg Tyr Asp Glu Tyr Asp Gly Tyr Tyr Tyr Glu Ala Met Asp Tyr Ser 
            100                 105                 110         


Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120         


<210> 618
<211> 126
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Humanized VH variant #13"

<400> 618
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Asn Ile Ser Glu Glu 
            20                  25                  30          


Ser Ile Gly Trp Val Arg Arg Ala Pro Gly Lys Gly Glu Glu Leu Val 
        35                  40                  45              


Ala Arg Ile Tyr Pro Thr Asn Gly Tyr Thr Arg Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Ala Asp Thr Ser Lys Asn Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ser Tyr Tyr Ala His Tyr Ser Ala Gly Tyr Tyr Tyr Tyr Ala 
            100                 105                 110         


Leu Asp Tyr Ser Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 125     


<210> 619
<211> 126
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Humanized VH variant #14"

<400> 619
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Asn Ile Ser His Tyr 
            20                  25                  30          


Ser Ile Gly Trp Val Arg His Ala Pro Gly Lys Gly Glu Glu Leu Val 
        35                  40                  45              


Ala Arg Ile Tyr Pro Thr Asn Gly Tyr Thr Arg Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Ala Asp Thr Ser Lys Asn Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg His His Tyr Ser His Tyr Asp Gly His Ser His Tyr Tyr Gly 
            100                 105                 110         


Leu Asp Tyr Ser Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 125     


<210> 620
<211> 126
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Humanized VH variant #15"

<400> 620
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Asn Ile Tyr Asp His 
            20                  25                  30          


Ser Ile Gly Trp Val Arg Arg Ala Pro Gly Lys Gly Glu Glu Leu Val 
        35                  40                  45              


Ala Arg Ile Tyr Pro Thr Asn Gly Tyr Thr Arg Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Ala Asp Thr Ser Lys Asn Thr Ala Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Ser Ser Tyr Ser Gly Tyr Tyr Gly Ser His His Tyr Tyr Ala 
            100                 105                 110         


Leu Asp Tyr Ser Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 125     


<210> 621
<211> 107
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      polypeptide"

<220>
<221> source
<223> /note="Trastuzumab (4D5) Light Chain"

<400> 621
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Gln Asp Val Asn Thr Ala 
            20                  25                  30          


Val Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Ser Ala Ser Phe Leu Tyr Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Arg Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Tyr Cys Gln Gln His Tyr Thr Thr Pro Pro 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210> 622
<211> 10
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Heavy Chain CDR1 of SC16.4 IgG"

<400> 622
Gly Tyr Thr Phe Thr Asp Tyr Ser Met His 
1               5                   10  


<210> 623
<211> 17
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Heavy Chain CDR2 of SC16.4 IgG"

<400> 623
Trp Ile Asn Thr Glu Thr Gly Glu Pro Gly Tyr Ala Asp Asp Phe Lys 
1               5                   10                  15      


Gly 
    


<210> 624
<211> 10
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Heavy Chain CDR3 of SC16.4 IgG"

<400> 624
Ala Arg Tyr Asp Gly Tyr Ala Met Asp Tyr 
1               5                   10  


<210> 625
<211> 11
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Light Chain CDR1 of SC16.4 IgG"

<400> 625
Arg Ala Ser Gln Asp Ile Ser Asn Tyr Leu Asn 
1               5                   10      


<210> 626
<211> 7
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Light Chain CDR2 of SC16.4 IgG"

<400> 626
Tyr Thr Ser Arg Leu His Ser 
1               5           


<210> 627
<211> 9
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Light Chain CDR3 of SC16.4 IgG"

<400> 627
Gln Gln Gly Asp Met Leu Pro Trp Thr 
1               5                   


<210> 628
<211> 12
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Heavy Chain CDR1 of hSC16.13 IgG"

<400> 628
Gly Phe Ser Leu Ser Thr Ser Gly Met Gly Val Gly 
1               5                   10          


<210> 629
<211> 16
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Heavy Chain CDR2 of hSC16.13 IgG"

<400> 629
His Ile Trp Trp Asp Asp Val Lys Arg Tyr Ser Pro Ser Leu Lys Ser 
1               5                   10                  15      


<210> 630
<211> 16
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Heavy Chain CDR3 of hSC16.13 IgG"

<400> 630
Ala Arg Ile Val Ser Phe Asp Asn Asp Val Val Ser Ala Met Asp Tyr 
1               5                   10                  15      


<210> 631
<211> 10
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Light Chain CDR1 of hSC16.13 IgG"

<400> 631
Ser Ala Ser Ser Ser Val Ser Tyr Met Tyr 
1               5                   10  


<210> 632
<211> 7
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Light Chain CDR2 of hSC16.13 IgG"

<400> 632
Leu Thr Ser Asn Leu Ala Ser 
1               5           


<210> 633
<211> 9
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Light Chain CDR3 of hSC16.13 IgG"

<400> 633
Gln Gln Trp Arg Ser Asn Pro Phe Thr 
1               5                   


<210> 634
<211> 13
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Heavy Chain CDR1 of hSC16.15 IgG"

<400> 634
Lys Ala Ser Gly Tyr Thr Phe Thr Arg Tyr Trp Ile His 
1               5                   10              


<210> 635
<211> 17
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Heavy Chain CDR2 of hSC16.15 IgG"

<400> 635
Tyr Ile Asn Pro Thr Thr Val Tyr Thr Glu Phe Asn Gln Asn Phe Lys 
1               5                   10                  15      


Asp 
    


<210> 636
<211> 10
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Heavy Chain CDR3 of hSC16.15 IgG"

<400> 636
Ala Arg Gly Gly Ser Asn Phe Phe Asp Tyr 
1               5                   10  


<210> 637
<211> 8
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Light Chain CDR1 of hSC16.15 IgG"

<400> 637
Glu Asn Ile Tyr Tyr Asn Leu Ala 
1               5               


<210> 638
<211> 7
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Light Chain CDR2 of hSC16.15 IgG"

<400> 638
Thr Ala Asn Ser Leu Glu Asp 
1               5           


<210> 639
<211> 9
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Light Chain CDR3 of hSC16.15 IgG"

<400> 639
Lys Gln Ala Tyr Asp Val Pro Pro Thr 
1               5                   


<210> 640
<211> 12
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Heavy Chain CDR1 of hSC16.25 IgG"

<400> 640
Gly Phe Ser Leu Ser Thr Ser Gly Met Gly Val Gly 
1               5                   10          


<210> 641
<211> 16
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Heavy Chain CDR2 of hSC16.25 IgG"

<400> 641
Asp Ile Trp Trp Asp Asp Asn Lys Tyr Tyr Asn Pro Ser Leu Lys Ser 
1               5                   10                  15      


<210> 642
<211> 16
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Heavy Chain CDR3 of hSC16.25 IgG"

<400> 642
Ala Arg Arg Val Asn Tyr Tyr Tyr Asp Pro Tyr Tyr Ala Met Asp Tyr 
1               5                   10                  15      


<210> 643
<211> 7
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Light Chain CDR1 of hSC16.25 IgG"

<400> 643
Ser Ser Val Ser Tyr Met His 
1               5           


<210> 644
<211> 7
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Light Chain CDR2 of hSC16.25 IgG"

<400> 644
Asp Ser Ser Lys Leu Ala Ser 
1               5           


<210> 645
<211> 9
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Light Chain CDR3 of hSC16.25 IgG"

<400> 645
Gln Gln Trp Ser Ser Asn Pro Leu Thr 
1               5                   


<210> 646
<211> 13
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Heavy Chain CDR1 of hSC16.34 IgG"

<400> 646
Lys Ala Ser Gly Tyr Thr Phe Thr Asn Tyr Gly Met Asn 
1               5                   10              


<210> 647
<211> 17
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Heavy Chain CDR2 of hSC16.34 IgG"

<400> 647
Trp Ile Asn Thr Tyr Thr Gly Asp Pro Thr Tyr Ala Asp Asp Phe Lys 
1               5                   10                  15      


Gly 
    


<210> 648
<211> 11
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Heavy Chain CDR3 of hSC16.34 IgG"

<400> 648
Ala Arg Ile Gly Gly Asn Ser Pro Ser Asp Tyr 
1               5                   10      


<210> 649
<211> 8
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Light Chain CDR1 of hSC16.34 IgG"

<400> 649
Gln Ser Val Ser Asn Asp Val Ala 
1               5               


<210> 650
<211> 7
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Light Chain CDR2 of hSC16.34 IgG"

<400> 650
Tyr Ala Ser Asn Arg Tyr Ser 
1               5           


<210> 651
<211> 9
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Light Chain CDR3 of hSC16.34 IgG"

<400> 651
Gln Gln Asp Tyr Ser Ser Pro Trp Thr 
1               5                   


<210> 652
<211> 10
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Heavy Chain CDR1 of SC16.67 IgG"

<400> 652
Ala Phe Thr Phe Thr Thr Tyr Ala Met Asn 
1               5                   10  


<210> 653
<211> 19
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Heavy Chain CDR2 of SC16.67 IgG"

<400> 653
Arg Ile Arg Asn Lys Ser Asn Asn Tyr Ala Thr Tyr Tyr Ala Asp Ser 
1               5                   10                  15      


Val Lys Asp 
            


<210> 654
<211> 8
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Heavy Chain CDR3 of SC16.67 IgG"

<400> 654
Val Phe Tyr Tyr Asp Tyr Val Tyr 
1               5               


<210> 655
<211> 14
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Light Chain CDR1 of SC16.67 IgG"

<400> 655
Arg Ser Ser Thr Gly Ala Val Thr Thr Ser Asn Tyr Ala Asn 
1               5                   10                  


<210> 656
<211> 7
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Light Chain CDR2 of SC16.67 IgG"

<400> 656
Gly Thr Asn Asn Arg Ala Pro 
1               5           


<210> 657
<211> 9
<212> PRT
<213> Artificial Sequence

<220>
<221> source
<223> /note="Description of Artificial Sequence: Synthetic
      peptide"

<220>
<221> source
<223> /note="Light Chain CDR3 of SC16.67 IgG"

<400> 657
Gly Leu Trp Tyr Ser Asn His Leu Val 
1               5                   


