Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
BSCOP2B SuperfamilyDNA clamp8032210 3000780 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyDNA clamp8032211 3000780 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
BPCNA_Ce3a2fB2 A: a+b two layersX: DNA clamp (From Topology)H: DNA clamp (From Topology)T: DNA clampF: PCNA_CECOD (1.6)
BPCNA_N_1e3a2fB1 A: a+b two layersX: DNA clamp (From Topology)H: DNA clamp (From Topology)T: DNA clampF: PCNA_N_1ECOD (1.6)
Apol2_likee3a2fA3 A: beta barrelsX: OB-foldH: Nucleic acid-binding proteins (From Topology)T: Nucleic acid-binding proteinsF: pol2_likeECOD (1.6)
ADNA_pol_B_2nde3a2fA2 A: alpha bundlesX: thumb domain in bacteriophage RB69-like DNA polymerase I (From Topology)H: thumb domain in bacteriophage RB69-like DNA polymerase I (From Topology)T: thumb domain in bacteriophage RB69-like DNA polymerase IF: DNA_pol_B_2ndECOD (1.6)
ADNA_pol_B_1st_2e3a2fA1 A: alpha bundlesX: fingers domain in bacteriophage RB69-like DNA polymerase I (From Topology)H: fingers domain in bacteriophage RB69-like DNA polymerase I (From Topology)T: fingers domain in bacteriophage RB69-like DNA polymerase IF: DNA_pol_B_1st_2ECOD (1.6)
ADNA_pol_B_1st_1e3a2fA6 A: a+b two layersX: Alpha-beta plaitsH: Adenylyl and guanylyl cyclase catalytic domain-likeT: Adenylyl and guanylyl cyclase catalytic domain-likeF: DNA_pol_B_1st_1ECOD (1.6)
Apol2e3a2fA4 A: a+b two layersX: Alpha-beta plaitsH: Family B DNA polymerase insertion domain (From Topology)T: Family B DNA polymerase insertion domainF: pol2ECOD (1.6)
ADNA_pol_B_exo1_3rde3a2fA5 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: DNA_pol_B_exo1_3rdECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

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
PF03104DNA polymerase family B, exonuclease domain (DNA_pol_B_exo1)DNA polymerase family B, exonuclease domain- Family
PF00136DNA polymerase family B (DNA_pol_B)DNA polymerase family B- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
DNA polymerase sliding clamp -
DNA polymerase -