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Monoclinic form of human IgA1 Fab fragment, sharing same Fv as IgG External Resource: Annotation Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) D FtsJ e3qnyD1 A: alpha arrays X: beta-Grasp H: Ubiquitin-related T: Ubiquitin-like F: FtsJ ECOD (v295.2) B FtsJ e3qnyB1 A: alpha arrays X: beta-Grasp H: Ubiquitin-related T: Ubiquitin-like F: FtsJ ECOD (v295.2) C 14-3-3 e3qnyC1 A: alpha arrays X: beta-Grasp H: Ubiquitin-related T: Ubiquitin-like F: 14-3-3 ECOD (v295.2) A 14-3-3 e3qnyA1 A: alpha arrays X: beta-Grasp H: Ubiquitin-related T: Ubiquitin-like F: 14-3-3 ECOD (v295.2)
Chain Protein Name Description Organism Name Gene Allele Name(s) Domain Name(s) Receptor Type Receptor Description Provenance Source Antibody Fab Fragment VH-CH1 Homo sapiens (human) IGHV3-73*01, IGHV3-73*02, IGHJ1*01, IGHA1*01 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-ALPHA-1_KAPPA IMGT (202637-0) Antibody Fab Fragment L-KAPPA Homo sapiens (human) IGKV2-28*01, IGKV2D-28*01, IGKJ5*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-ALPHA-1_KAPPA IMGT (202637-0)
Chain Chain Class Chain Subclass Chain Type Antigen Name(s) Provenance Source Heavy Chain IGHV3 - - SAbDab (2026-09-25) Light Chain IGKV2 Kappa - SAbDab (2026-09-25)