Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
CSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8059477 3000071 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
CSBP_bac_1e6k0yC1 A: a/b three-layered sandwichesX: P-loop domains-likeH: DUF1107-likeT: DUF1107-likeF: SBP_bac_1ECOD (v294.1)
BSBP_bac_1e6k0yB1 A: a/b three-layered sandwichesX: P-loop domains-likeH: DUF1107-likeT: DUF1107-likeF: SBP_bac_1ECOD (v294.1)
ASBP_bac_1e6k0yA1 A: a/b three-layered sandwichesX: P-loop domains-likeH: DUF1107-likeT: DUF1107-likeF: SBP_bac_1ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
C2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
B2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
A2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
PDCD1 (Programmed cell death protein 1) 1V-LIKE Homo sapiens (human) PDCD1*01 V-LIKE-DOMAIN V-LIKE RPI 1V-LIKE IMGT (202613-0)
mAb 059c, anti-PD-1 L-KAPPA Homo sapiens (human) IGKV1-9*01, IGKJ1*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-4_KAPPA IMGT (202613-0)
mAb 059c, anti-PD-1 VH-CH1 Homo sapiens (human) IGHV4-38-2*01, IGHJ4*01, IGHJ4*02, IGHJ4*03, IGHG4*01, IGHG4*04 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-4_KAPPA IMGT (202613-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
Light ChainIGKV1 Kappaprogrammed cell death protein 1SAbDab (2026-04-10)
Heavy ChainIGHV4 -programmed cell death protein 1SAbDab (2026-04-10)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF07686Immunoglobulin V-set domain (V-set)Immunoglobulin V-set domainThis domain is found in antibodies as well as neural protein P0 and CTL4 amongst others. Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
Programmed cell death protein 1
Antibody Light Chain---
Antibody Heavy Chain---