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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Ad1plqa1 Alpha and beta proteins (a+b) DNA clamp DNA clamp DNA polymerase processivity factor Proliferating cell nuclear antigen (PCNA) baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ], SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2 FamilyDNA polymerase processivity factor 8024051 4002066 SCOP2 (2022-06-29)
ASCOP2 FamilyDNA polymerase processivity factor 8024053 4002066 SCOP2 (2022-06-29)
ASCOP2 SuperfamilyDNA clamp 8036430 3000780 SCOP2 (2022-06-29)
ASCOP2 SuperfamilyDNA clamp 8036432 3000780 SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
APCNA_Ne1plqA1 A: a+b two layersX: DNA clamp (From Topology)H: DNA clamp (From Topology)T: DNA clampF: PCNA_NECOD (1.6)
APCNA_Ce1plqA2 A: a+b two layersX: DNA clamp (From Topology)H: DNA clamp (From Topology)T: DNA clampF: PCNA_CECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A3.70.10.10 Alpha Beta Box Proliferating Cell Nuclear Antigen CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF02747Proliferating cell nuclear antigen, C-terminal domain (PCNA_C)Proliferating cell nuclear antigen, C-terminal domainN-terminal and C-terminal domains of PCNA are topologically identical. Three PCNA molecules are tightly associated to form a closed ring encircling duplex DNA.Domain
PF00705Proliferating cell nuclear antigen, N-terminal domain (PCNA_N)Proliferating cell nuclear antigen, N-terminal domainN-terminal and C-terminal domains of PCNA are topologically identical. Three PCNA molecules are tightly associated to form a closed ring encircling duplex DNA.Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
PROLIFERATING CELL NUCLEAR ANTIGEN (PCNA)