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Crystal structure of chimeric germ-line precursor of NIH45-46 Fab in complex with gp120 of 93TH057 HIV-1 External Resource: Annotation Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) C [auth L] e4jdtL1 A: alpha arrays X: Alpha-beta plaits H: Family B DNA polymerase insertion domain T: Family B DNA polymerase insertion domain F: ECOD (v295.2) B [auth H] VEGFR-1-like_Ig-like e4jdtH3 A: alpha arrays X: Fusion glycoprotein F2 H: Fusion glycoprotein F2 T: Fusion glycoprotein F2 F: VEGFR-1-like_Ig-like ECOD (v295.2) A [auth G] AWS e4jdtG1 A: alpha arrays X: Immunoglobulin-like beta-sandwich H: Immunoglobulin-related T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like F: AWS ECOD (v295.2)
Chain Protein Name Description Organism Name Gene Allele Name(s) Domain Name(s) Receptor Type Receptor Description Provenance Source C [auth L] NIH45-46 mAb, anti-gp120 [HIV-1] L-KAPPA Homo sapiens (human) IGKV3-11*01, IGKV3-11*02, IGKV3D-11*02, IGKJ1*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202640-0) B [auth H] NIH45-46 mAb, anti-gp120 [HIV-1] VH-CH1 Homo sapiens (human) IGHV1-2*02, IGHJ1*01, IGHG1*03 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202640-0)
Chain Chain Class Chain Subclass Chain Type Antigen Name(s) Provenance Source C [auth L] Light Chain IGKV3 Kappa gp120 SAbDab (2026-10-16) B [auth H] Heavy Chain IGHV1 - gp120 SAbDab (2026-10-16)