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Crystal structure of the anti-human prostaglandin E receptor EP4 antibody Fab fragment External Resource: Annotation Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) B [auth H] e5yfiH1 A: alpha arrays X: PriB N-terminal domain-like H: Ubiquitin-related T: Ubiquitin-like F: ECOD (v295.2) A [auth L] e5yfiL1 A: alpha arrays X: PriB N-terminal domain-like H: Ubiquitin-related T: Ubiquitin-like F: ECOD (v295.2)
Chain Protein Name Description Organism Name Gene Allele Name(s) Domain Name(s) Receptor Type Receptor Description Provenance Source B [auth H] Antibody Fab Fragment VH-CH1 Mus musculus (house mouse) IGHV1S135*01, IGHJ3*01, IGHG2A*01, IGHG2A*02 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-2A_KAPPA IMGT (202636-0) A [auth L] Antibody Fab Fragment L-KAPPA Mus musculus (house mouse) IGKV14-111*01, IGKJ4*01, IGKC*01, IGKC*02 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-2A_KAPPA IMGT (202636-0)
Chain Chain Class Chain Subclass Chain Type Antigen Name(s) Provenance Source B [auth H] Heavy Chain IGHV1 - - SAbDab (2026-09-18) A [auth L] Light Chain IGKV14 Kappa - SAbDab (2026-09-18)