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Crystal Structure of non-neutralizing version of 4E10 (DeltaLoop) with epitope bound External Resource: Annotation Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) B [auth L] Methyltransf_23 e5cinL1 A: alpha arrays X: Piezo CTL2 domain H: Piezo CTL2 domain T: S-adenosyl-L-methionine-dependent methyltransferases F: Methyltransf_23 ECOD (v295.2) A [auth H] Methyltransf_23 e5cinH2 A: alpha arrays X: Piezo CTL2 domain H: Piezo CTL2 domain T: S-adenosyl-L-methionine-dependent methyltransferases F: Methyltransf_23 ECOD (v295.2) A [auth H] EF-hand_1, EF-hand_6, EF-hand_7 e5cinH3 A: alpha arrays X: Lipocalins/Streptavidin H: SAM/DNA-glycosylase T: SAM domain-like F: EF-hand_1, EF-hand_6, EF-hand_7 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] 4E10 mAb, anti-gp41 membrane-proximal external region (MPER) L-KAPPA Homo sapiens (human) IGKV3-20*01, IGKJ1*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202640-0) A [auth H] 4E10 mAb, anti-gp41 membrane-proximal external region (MPER) VH-CH1 Homo sapiens (human) IGHV1-69*10, IGHJ1*01, IGHG1*01, IGHG1*02, IGHG1*04, IGHG1*05 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 B [auth L] Light Chain IGKV3 Kappa peptide from mper region of hiv-1 env SAbDab (2026-10-16) A [auth H] Heavy Chain IGHV1 - peptide from mper region of hiv-1 env SAbDab (2026-10-16)