5I18 | pdb_00005i18

CRYSTAL STRUCTURE OF HUMAN GERMLINE ANTIBODY IGHV1-69/IGKV4-1


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
B [auth H]e5i18H1 A: Lipocalins/StreptavidinX: SAM/DNA-glycosylaseH: SAM domain-likeT: Peptidase_S13F:ECOD (20:10:01)
A [auth L]e5i18L1 A: Lipocalins/StreptavidinX: SAM/DNA-glycosylaseH: SAM domain-likeT: Peptidase_S13F:ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
B [auth H]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]Human Germline Antibody GHV1-69/IGKV4-1 VH-CH1 Homo sapiens (human) IGHV1-69*01, IGHV1-69*12, IGHV1-69*13, IGHV1-69D*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]Human Germline Antibody GHV1-69/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]Heavy ChainIGHV1 --SAbDab (2026-03-13)
A [auth L]Light ChainIGKV4 Kappa-SAbDab (2026-03-13)