5I1D | pdb_00005i1d

CRYSTAL STRUCTURE OF HUMAN GERMLINE ANTIBODY IGHV3-23/IGKV4-1


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
D [auth B]Peptidase_S13e5i1dB1 A: alpha bundlesX: Lipocalins/StreptavidinH: SAM/DNA-glycosylaseT: SAM domain-likeF: Peptidase_S13ECOD (develop294)
B [auth H]Peptidase_S13e5i1dH1 A: alpha bundlesX: Lipocalins/StreptavidinH: SAM/DNA-glycosylaseT: SAM domain-likeF: Peptidase_S13ECOD (develop294)
C [auth A]Peptidase_S13e5i1dA1 A: alpha bundlesX: Lipocalins/StreptavidinH: SAM/DNA-glycosylaseT: SAM domain-likeF: Peptidase_S13ECOD (develop294)
A [auth L]Peptidase_S13e5i1dL1 A: alpha bundlesX: Lipocalins/StreptavidinH: SAM/DNA-glycosylaseT: SAM domain-likeF: Peptidase_S13ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
D [auth B]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 (4.3.0)
C [auth A]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
A [auth L]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 H],
D [auth B]
Human Germline Antibody IGHV3-23/IGKV4-1 VH-CH1 Homo sapiens (human) IGHV3-23*01, IGHV3-23D*01, IGHJ1*01, IGHG1*01, IGHG1*02, IGHG1*04, IGHG1*05 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202610-0)
A [auth L],
C [auth A]
Human Germline Antibody IGHV3-23/IGKV4-1 L-KAPPA Homo sapiens (human) IGKV4-1*01, IGKJ1*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth H],
D [auth B]
Heavy ChainIGHV3 --SAbDab (2026-03-20)
A [auth L],
C [auth A]
Light ChainIGKV4 Kappa-SAbDab (2026-03-20)