1IT9 | pdb_00001it9

CRYSTAL STRUCTURE OF AN ANTIGEN-BINDING FRAGMENT FROM A HUMANIZED VERSION OF THE ANTI-HUMAN FAS ANTIBODY HFE7A

External Resource: Annotation


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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
A [auth L]d1it9l1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) Immunoglobulin light chain kappa variable domain, VL-kappa mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
A [auth L]d1it9l2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) Immunoglobulin light chain kappa constant domain, CL-kappa mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
B [auth H]d1it9h1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) Immunoglobulin heavy chain variable domain, VH mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
B [auth H]d1it9h2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) Immunoglobulin heavy chain gamma constant domain 1, CH1-gamma mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
A [auth L]Copper-binde1it9L1 A: a/b three-layered sandwichesX: Phage tail fiber protein trimerization domainH: beta-Prism IT: beta-Prism IF: Copper-bindECOD (v294.1)
B [auth H]Copper-binde1it9H1 A: a/b three-layered sandwichesX: Phage tail fiber protein trimerization domainH: beta-Prism IT: beta-Prism IF: Copper-bindECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A [auth L]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)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
A [auth L]HFE7A L-KAPPA Chimeric (chimeric) IGKV3-4*01, IGKJ1*01, IGKJ2*01, IGKJ2*03, IGKJ4*01, IGKJ4*02, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202611-0)
B [auth H]HFE7A VH-CH1 Chimeric (chimeric) IGHV1-50*01, IGHJ1*01, IGHJ1*02, IGHJ1*03, IGHG1*01, IGHG1*02, IGHG1*04 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202611-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
A [auth L]Light ChainIGKV3 Kappa-SAbDab (2026-03-27)
B [auth H]Heavy ChainIGHV1 --SAbDab (2026-03-27)