3KYK | pdb_00003kyk

Crystal structure of li33 Igg1 Fab


Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
B [auth L]d3kykl1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
B [auth L]e3kykL1 A: Alpha-beta plaitsX: Phage tail protein-likeH: Transmembrane protein 14AT: TachylectinF:ECOD (20:10:01)
A [auth H]e3kykH1 A: Immunoglobulin-like beta-sandwichX: sensor domainsH: sensor domainsT: PHF:ECOD (20:10:01)

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]Li33 Fab L-KAPPA Homo sapiens (human) IGKV3-15*01, IGKV3D-15*01, IGKJ4*01, IGKJ4*02, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202609-0)
A [auth H]Li33 Fab VH-CH1 Homo sapiens (human) IGHV3-23*01, IGHV3-23D*01, IGHJ2*01, IGHG1*01, IGHG1*02, IGHG1*04, IGHG1*05 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202609-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth L]Light ChainIGKV3 Kappa-SAbDab (2026-03-13)
A [auth H]Heavy ChainIGHV3 --SAbDab (2026-03-13)