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Structure of a transglutaminase 2-specific autoantibody Fab fragment External Resource: Annotation Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) B [auth L] Anillin e4zd3L1 A: alpha arrays X: amino-terminal domain of OmpATb H: amino-terminal domain of OmpATb T: SGNH hydrolase F: Anillin ECOD (v295.2) A [auth H] Anillin e4zd3H2 A: alpha arrays X: amino-terminal domain of OmpATb H: amino-terminal domain of OmpATb T: SGNH hydrolase F: Anillin ECOD (v295.2) A [auth H] EF-hand_1, EF-hand_6, EF-hand_7 e4zd3H1 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] 679-14-14E06 Fab L-KAPPA Homo sapiens (human) IGKV1-5*03, IGKJ2*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202637-0) A [auth H] 679-14-14E06 Fab VH-CH1 Homo sapiens (human) IGHV5-51*01, IGHV5-51*03, IGHJ3*02, 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 B [auth L] Light Chain IGKV1 Kappa - SAbDab (2026-09-25) A [auth H] Heavy Chain IGHV5 - - SAbDab (2026-09-25)