Table 4

Analysis of the amino acid sequences of selected human Fab

JML-1JML-3JML-7JML-13
Light chain     
    Human germlines* Vκ 1-39 Vκ 1-39 Vκ 1-39 Vκ 1-39 
JκJκJκJκ
    Deviation from Vκ germline 0/95 2/95 1/95 3/95 
    LCDR3 sequence QQSYSTPFT QQSYSTPFT QQSYSTPFT QQSYSTPFT 
    Sequence identity to JML-1 100% 98% 99% 97% 
    Sequence identity to JML-3 98% 100% 97% 95% 
    Sequence identity to JML-7 99% 97% 100% 96% 
    Sequence identity to JML-13 97% 95% 96% 100% 
Heavy chain 
    Human germlines* VH 3-9 VH 3-30 VH 3-30 VH 3-30 
DH 3-10 DH 3-10 DH 3-10 DH 3-10 
JHJHJHJH
    Deviation from VH germline 7/98 2/98 2/98 1/98 
    HCDR3 sequence GGQTIDI GGQTIDI GGQTIDI GGQTIDI 
    Sequence identity to JML-1 100% 89% 90% 88% 
    Sequence identity to JML-3 89% 100% 99% 99% 
    Sequence identity to JML-7 90% 99% 100% 98% 
    Sequence identity to JML-13 88% 99% 98% 100% 
JML-1JML-3JML-7JML-13
Light chain     
    Human germlines* Vκ 1-39 Vκ 1-39 Vκ 1-39 Vκ 1-39 
JκJκJκJκ
    Deviation from Vκ germline 0/95 2/95 1/95 3/95 
    LCDR3 sequence QQSYSTPFT QQSYSTPFT QQSYSTPFT QQSYSTPFT 
    Sequence identity to JML-1 100% 98% 99% 97% 
    Sequence identity to JML-3 98% 100% 97% 95% 
    Sequence identity to JML-7 99% 97% 100% 96% 
    Sequence identity to JML-13 97% 95% 96% 100% 
Heavy chain 
    Human germlines* VH 3-9 VH 3-30 VH 3-30 VH 3-30 
DH 3-10 DH 3-10 DH 3-10 DH 3-10 
JHJHJHJH
    Deviation from VH germline 7/98 2/98 2/98 1/98 
    HCDR3 sequence GGQTIDI GGQTIDI GGQTIDI GGQTIDI 
    Sequence identity to JML-1 100% 89% 90% 88% 
    Sequence identity to JML-3 89% 100% 99% 99% 
    Sequence identity to JML-7 90% 99% 100% 98% 
    Sequence identity to JML-13 88% 99% 98% 100% 
*

Based on DNA alignments using IMGT/V-QUEST (http://imgt.cines.fr)

Based on amino acid sequence alignments using IgBLAST (http://www.ncbi.nlm.nih.gov/igblast).

Based on amino acid sequences of the variable domains.

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