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Crystal structure of human N12-i15, an ADCC and non-neutralizing anti-HIV-1 Env antibody External Resource: Annotation Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) H V-set e3qehH3 A: alpha arrays X: Fusion glycoprotein F2 H: Fusion glycoprotein F2 T: Fusion glycoprotein F2 F: V-set ECOD (v295.2) F 14-3-3 e3qehF1 A: alpha arrays X: beta-Grasp H: Ubiquitin-related T: Ubiquitin-like F: 14-3-3 ECOD (v295.2) D 14-3-3 e3qehD1 A: alpha arrays X: beta-Grasp H: Ubiquitin-related T: Ubiquitin-like F: 14-3-3 ECOD (v295.2) B C1-set e3qehB1 A: alpha arrays X: cradle loop barrel H: RIFT-related T: acid protease F: C1-set ECOD (v295.2) G Alpha-amylase e3qehG3 A: alpha arrays X: Fusion glycoprotein F2 H: Fusion glycoprotein F2 T: Fusion glycoprotein F2 F: Alpha-amylase ECOD (v295.2) E V-set e3qehE3 A: alpha arrays X: Subtilisin-like H: Subtilisin-like T: Subtilisin-like F: V-set ECOD (v295.2) C V-set e3qehC3 A: alpha arrays X: Subtilisin-like H: Subtilisin-like T: Subtilisin-like F: V-set ECOD (v295.2) A C1-set e3qehA1 A: alpha arrays X: cradle loop barrel H: RIFT-related T: acid protease F: C1-set ECOD (v295.2)
Chain Protein Name Description Organism Name Gene Allele Name(s) Domain Name(s) Receptor Type Receptor Description Provenance Source Fab N12i15 neutralizing mAb, anti-Env [HIV-1] L-KAPPA Homo sapiens (human) IGKV2-28*01, IGKV2D-28*01, IGKJ1*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202637-0) Fab N12i15 neutralizing mAb, anti-Env [HIV-1] VH-CH1 Homo sapiens (human) IGHV1-46*01, IGHV1-46*02, IGHV1-46*03, IGHJ4*01, IGHJ4*02, IGHJ4*03, IGHG1*03 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202637-0)
Chain Chain Class Chain Subclass Chain Type Antigen Name(s) Provenance Source Light Chain IGKV2 Kappa - SAbDab (2026-09-25) Heavy Chain IGHV1 - - SAbDab (2026-09-25)