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]e5i1dB1 A: Lipocalins/StreptavidinX: SAM/DNA-glycosylaseH: SAM domain-likeT: Peptidase_S13F:ECOD (20:10:01)
B [auth H]e5i1dH1 A: Lipocalins/StreptavidinX: SAM/DNA-glycosylaseH: SAM domain-likeT: Peptidase_S13F:ECOD (20:10:01)
C [auth A]e5i1dA1 A: Lipocalins/StreptavidinX: SAM/DNA-glycosylaseH: SAM domain-likeT: Peptidase_S13F:ECOD (20:10:01)
A [auth L]e5i1dL1 A: Lipocalins/StreptavidinX: SAM/DNA-glycosylaseH: SAM domain-likeT: Peptidase_S13F:ECOD (20:10:01)

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 (202609-0)
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 (202609-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth H],
D [auth B]
Heavy ChainIGHV3 --SAbDab (2026-03-13)
A [auth L],
C [auth A]
Light ChainIGKV4 Kappa-SAbDab (2026-03-13)