Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
A [auth X]d1ul1x1 All alpha proteins SAM domain-like 5' to 3' exonuclease, C-terminal subdomain 5' to 3' exonuclease, C-terminal subdomain Flap endonuclease-1 (Fen-1 nuclease) human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
A [auth X]d1ul1x2 Alpha and beta proteins (a/b) PIN domain-like PIN domain-like 5' to 3' exonuclease catalytic domain Flap endonuclease-1 (Fen-1 nuclease) human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
B [auth Y]d1ul1y1 All alpha proteins SAM domain-like 5' to 3' exonuclease, C-terminal subdomain 5' to 3' exonuclease, C-terminal subdomain Flap endonuclease-1 (Fen-1 nuclease) human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
B [auth Y]d1ul1y2 Alpha and beta proteins (a/b) PIN domain-like PIN domain-like 5' to 3' exonuclease catalytic domain Flap endonuclease-1 (Fen-1 nuclease) human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
C [auth Z]d1ul1z1 All alpha proteins SAM domain-like 5' to 3' exonuclease, C-terminal subdomain 5' to 3' exonuclease, C-terminal subdomain Flap endonuclease-1 (Fen-1 nuclease) human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
C [auth Z]d1ul1z2 Alpha and beta proteins (a/b) PIN domain-like PIN domain-like 5' to 3' exonuclease catalytic domain Flap endonuclease-1 (Fen-1 nuclease) human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
D [auth A]d1ul1a1 Alpha and beta proteins (a+b) DNA clamp DNA clamp DNA polymerase processivity factor Proliferating cell nuclear antigen (PCNA) human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
E [auth B]d1ul1b1 Alpha and beta proteins (a+b) DNA clamp DNA clamp DNA polymerase processivity factor Proliferating cell nuclear antigen (PCNA) human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
F [auth C]d1ul1c1 Alpha and beta proteins (a+b) DNA clamp DNA clamp DNA polymerase processivity factor Proliferating cell nuclear antigen (PCNA) human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
A [auth X]SCOP2 Family5' to 3' exonuclease C-terminal subdomain8020548 4001035 SCOP2 (2022-06-29)
A [auth X]SCOP2 FamilyFEN1 catalytic domain-like8020551 4000504 SCOP2 (2022-06-29)
A [auth X]SCOP2 Superfamily5' to 3' exonuclease C-terminal subdomain8032928 3000537 SCOP2 (2022-06-29)
A [auth X]SCOP2 SuperfamilyPIN domain-like8032931 3001041 SCOP2 (2022-06-29)
B [auth Y]SCOP2B Superfamily5' to 3' exonuclease C-terminal subdomain8032928 3000537 SCOP2B (2022-06-29)
C [auth Z]SCOP2B SuperfamilyPIN domain-like8032931 3001041 SCOP2B (2022-06-29)
C [auth Z]SCOP2B Superfamily5' to 3' exonuclease C-terminal subdomain8032928 3000537 SCOP2B (2022-06-29)
D [auth A]SCOP2B SuperfamilyDNA clamp8032799 3000780 SCOP2B (2022-06-29)
D [auth A]SCOP2B SuperfamilyDNA clamp8032796 3000780 SCOP2B (2022-06-29)
E [auth B]SCOP2B SuperfamilyDNA clamp8032796 3000780 SCOP2B (2022-06-29)
E [auth B]SCOP2B SuperfamilyDNA clamp8032799 3000780 SCOP2B (2022-06-29)
F [auth C]SCOP2B SuperfamilyDNA clamp8032796 3000780 SCOP2B (2022-06-29)
F [auth C]SCOP2B SuperfamilyDNA clamp8032799 3000780 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
A [auth X]5_3_exonuc_1e1ul1X1 A: alpha arraysX: HhH/H2THH: SAM/DNA-glycosylaseT: SAM domain-likeF: 5_3_exonuc_1ECOD (1.6)
A [auth X]XPG_Ie1ul1X2 A: a/b three-layered sandwichesX: HAD domain-likeH: HAD domain-relatedT: PIN domain-likeF: XPG_IECOD (1.6)
B [auth Y]5_3_exonuc_1e1ul1Y1 A: alpha arraysX: HhH/H2THH: SAM/DNA-glycosylaseT: SAM domain-likeF: 5_3_exonuc_1ECOD (1.6)
B [auth Y]XPG_Ie1ul1Y2 A: a/b three-layered sandwichesX: HAD domain-likeH: HAD domain-relatedT: PIN domain-likeF: XPG_IECOD (1.6)
C [auth Z]5_3_exonuc_1e1ul1Z1 A: alpha arraysX: HhH/H2THH: SAM/DNA-glycosylaseT: SAM domain-likeF: 5_3_exonuc_1ECOD (1.6)
C [auth Z]XPG_Ie1ul1Z2 A: a/b three-layered sandwichesX: HAD domain-likeH: HAD domain-relatedT: PIN domain-likeF: XPG_IECOD (1.6)
D [auth A]PCNA_Ne1ul1A1 A: a+b two layersX: DNA clamp (From Topology)H: DNA clamp (From Topology)T: DNA clampF: PCNA_NECOD (1.6)
D [auth A]PCNA_Ce1ul1A2 A: a+b two layersX: DNA clamp (From Topology)H: DNA clamp (From Topology)T: DNA clampF: PCNA_CECOD (1.6)
E [auth B]PCNA_Ne1ul1B1 A: a+b two layersX: DNA clamp (From Topology)H: DNA clamp (From Topology)T: DNA clampF: PCNA_NECOD (1.6)
E [auth B]PCNA_Ce1ul1B2 A: a+b two layersX: DNA clamp (From Topology)H: DNA clamp (From Topology)T: DNA clampF: PCNA_CECOD (1.6)
F [auth C]PCNA_Ne1ul1C1 A: a+b two layersX: DNA clamp (From Topology)H: DNA clamp (From Topology)T: DNA clampF: PCNA_NECOD (1.6)
F [auth C]PCNA_Ce1ul1C2 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)
D [auth A]3.70.10.10 Alpha Beta Box Proliferating Cell Nuclear Antigen CATH (4.3.0)
E [auth B]3.70.10.10 Alpha Beta Box Proliferating Cell Nuclear Antigen CATH (4.3.0)
F [auth C]3.70.10.10 Alpha Beta Box Proliferating Cell Nuclear Antigen CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A [auth X],
B [auth Y],
C [auth Z]
PF00867XPG I-region (XPG_I)XPG I-region- Family
A [auth X],
B [auth Y],
C [auth Z]
PF00752XPG N-terminal domain (XPG_N)XPG N-terminal domain- Family
D [auth A],
E [auth B],
F [auth C]
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
D [auth A],
E [auth B],
F [auth C]
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
A [auth X],
B [auth Y],
C [auth Z]
Flap endonuclease-1
D [auth A],
E [auth B],
F [auth C]
Proliferating cell nuclear antigen

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
A [auth X],
B [auth Y],
C [auth Z]
PharosP39748
D [auth A],
E [auth B],
F [auth C]
PharosP12004