5YFI | pdb_00005yfi

Crystal structure of the anti-human prostaglandin E receptor EP4 antibody Fab fragment


Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
A [auth L]e5yfiL1 A: a/b three-layered sandwichesX: PriB N-terminal domain-likeH: HTHT: SH3F:ECOD (v294.1)
B [auth H]e5yfiH1 A: a/b three-layered sandwichesX: PriB N-terminal domain-likeH: HTHT: SH3F:ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A [auth L]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
B [auth H]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
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 (202611-0)
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 (202611-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
A [auth L]Light ChainIGKV14 Kappa-SAbDab (2026-03-27)
B [auth H]Heavy ChainIGHV1 --SAbDab (2026-03-27)