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Fab Structure of CD4 Binding Site (CD4bs) Huamn Monoclonal Antibody HmAb64 External Resource: Annotation Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) B [auth H] DctP e6w73H1 A: alpha arrays X: putative RnfG subunit of electron transport complex H: putative RnfG subunit of electron transport complex T: Aspartate/ornithine carbamoyltransferase F: DctP ECOD (v295.2) A [auth L] DctP e6w73L1 A: alpha arrays X: putative RnfG subunit of electron transport complex H: putative RnfG subunit of electron transport complex T: Aspartate/ornithine carbamoyltransferase F: DctP ECOD (v295.2)
Chain Protein Name Description Organism Name Gene Allele Name(s) Domain Name(s) Receptor Type Receptor Description Provenance Source B [auth H] mAb HmAb64, anti-CD4 VH-CH1 Homo sapiens (human) IGHV1-18*01, IGHV1-18*04, IGHJ5*02, IGHG1*03, IGHG1*08, IGHG1*06 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202638-0) A [auth L] mAb HmAb64, anti-CD4 L-KAPPA Homo sapiens (human) IGKV1-39*01, IGKV1D-39*01, IGKJ2*01, IGKJ2*02, IGKJ1S1*01, IGKJ3*01, IGKJ4*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202638-0)
Chain Chain Class Chain Subclass Chain Type Antigen Name(s) Provenance Source B [auth H] Heavy Chain IGHV1 - - SAbDab (2026-10-02) A [auth L] Light Chain IGKV1 Kappa - SAbDab (2026-10-02)