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Fab structure of anti-HIV-1 gp120 mAb 1A8 External Resource: Annotation Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) B [auth L] Prenyltransf e5ubyL1 A: alpha arrays X: Cryptochrome/photolyase FAD-binding domain-related H: Cryptochrome/photolyase FAD-binding domain-related T: Undecaprenyl diphosphate synthase F: Prenyltransf ECOD (v295.2) A [auth H] Prenyltransf e5ubyH1 A: alpha arrays X: Cryptochrome/photolyase FAD-binding domain-related H: Cryptochrome/photolyase FAD-binding domain-related T: Undecaprenyl diphosphate synthase F: Prenyltransf ECOD (v295.2)
Chain Protein Name Description Organism Name Gene Allele Name(s) Domain Name(s) Receptor Type Receptor Description Provenance Source B [auth L] mAb 1A8, anti-HIV-1 gp120 L-LAMBDA Homo sapiens (human) IGLV3-21*03, IGLJ2*01, IGLJ3*01, IGLC2*01, IGLC2*02, IGLC3*04 V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA IG FAB-GAMMA-1_LAMBDA IMGT (202637-0) A [auth H] mAb 1A8, anti-HIV-1 gp120 VH-CH1 Homo sapiens (human) IGHV4-39*01, IGHV4-39*07, IGHJ4*01, IGHJ4*02, IGHJ4*03, IGHG1*03 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_LAMBDA IMGT (202637-0)
Chain Chain Class Chain Subclass Chain Type Antigen Name(s) Provenance Source B [auth L] Light Chain IGLV3 Lambda - SAbDab (2026-09-25) A [auth H] Heavy Chain IGHV4 - - SAbDab (2026-09-25)