3W9D | pdb_00003w9d

Structure of Human Monoclonal Antibody E317 Fab


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
BTPR_2, TPR_P4He3w9dB1 A: alpha bundlesX: Ribonuclease H-likeH: ARM repeatT: ARM repeatF: TPR_2, TPR_P4HECOD (develop294)
DPTEe3w9dD1 A: alpha bundlesX: Flavodoxin-likeH: FXYD familyT: FXYD familyF: PTEECOD (develop294)
CTPR_2, TPR_P4He3w9dC1 A: alpha bundlesX: Ribonuclease H-likeH: ARM repeatT: ARM repeatF: TPR_2, TPR_P4HECOD (develop294)
AV-sete3w9dA3 A: alpha bundlesX: Subtilisin-likeH: Subtilisin-likeT: Subtilisin-likeF: V-setECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
B2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
D2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
C2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
A2.60.40.10 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, D
ANTIBODY FAB-GAMMA-1_KAPPA L-KAPPA Homo sapiens (human) IGKV3-20*01, IGKJ4*01, IGKJ4*02, IGKC*04 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202610-0)
A, C
ANTIBODY FAB-GAMMA-1_KAPPA VH-CH1 Homo sapiens (human) IGHV1-69*02, IGHV1-69*04, IGHV1-69*06, IGHV1-69*08, IGHV1-69*09, IGHV1-69*14, IGHJ1*01, IGHG1*01, IGHG1*02, IGHG1*04 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B, D
Light ChainIGKV3 Kappa-SAbDab (2026-03-20)
A, C
Heavy ChainIGHV1 --SAbDab (2026-03-20)