Crystal structure of the Fab fragment of 9E5, a murine monoclonal antibody specific for human epiregulin


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
B [auth L]PRMT_Ce5az2L1 A: beta barrelsX: Repetitive alpha hairpinsH: Snake toxin-likeT: Snake toxin-likeF: PRMT_CECOD (v294.2)
A [auth H]PRMT_Ce5az2H1 A: beta barrelsX: Repetitive alpha hairpinsH: Snake toxin-likeT: Snake toxin-likeF: PRMT_CECOD (v294.2)
A [auth H]NTP_transferasee5az2H2 A: beta barrelsX: Lipocalins/StreptavidinH: SAM/DNA-glycosylaseT: SAM domain-likeF: NTP_transferaseECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

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

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
B [auth L]9E5 Fab, anti-human epiregulin L-KAPPA Mus musculus (house mouse) IGKV19-93*01, IGKV19-93*02, IGKJ1*01, IGKJ2*01, IGKC*01, IGKC*02 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202617-0)
A [auth H]9E5 Fab, anti-human epiregulin VH-CH1 Mus musculus (house mouse) IGHV14-3*02, IGHJ3*01, IGHG1*02 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202617-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth L]Light ChainIGKV19 Kappa-SAbDab (2026-05-08)
A [auth H]Heavy ChainIGHV14 --SAbDab (2026-05-08)