Structural and biochemical studies of human PCNA complexes provide the basis for association with CDK/cyclin and rationale for inhibitor design
External Resource: Annotation
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| K | SCOP2B Superfamily | DNA clamp | 8032799 | 3000780 | SCOP2B (2022-06-29) |
| K | SCOP2B Superfamily | DNA clamp | 8032796 | 3000780 | SCOP2B (2022-06-29) |
| I | SCOP2B Superfamily | DNA clamp | 8032796 | 3000780 | SCOP2B (2022-06-29) |
| I | SCOP2B Superfamily | DNA clamp | 8032799 | 3000780 | SCOP2B (2022-06-29) |
| G | SCOP2B Superfamily | DNA clamp | 8032796 | 3000780 | SCOP2B (2022-06-29) |
| G | SCOP2B Superfamily | DNA clamp | 8032799 | 3000780 | SCOP2B (2022-06-29) |
| E | SCOP2B Superfamily | DNA clamp | 8032799 | 3000780 | SCOP2B (2022-06-29) |
| E | SCOP2B Superfamily | DNA clamp | 8032796 | 3000780 | SCOP2B (2022-06-29) |
| C | SCOP2B Superfamily | DNA clamp | 8032796 | 3000780 | SCOP2B (2022-06-29) |
| C | SCOP2B Superfamily | DNA clamp | 8032799 | 3000780 | SCOP2B (2022-06-29) |
| A | SCOP2B Superfamily | DNA clamp | 8032799 | 3000780 | SCOP2B (2022-06-29) |
| A | SCOP2B Superfamily | DNA clamp | 8032796 | 3000780 | SCOP2B (2022-06-29) |
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| K | PCNA_N | e1vyjK1 | A: a+b two layers | X: DNA clamp (From Topology) | H: DNA clamp (From Topology) | T: DNA clamp | F: PCNA_N | ECOD (1.6) |
| K | PCNA_C | e1vyjK2 | A: a+b two layers | X: DNA clamp (From Topology) | H: DNA clamp (From Topology) | T: DNA clamp | F: PCNA_C | ECOD (1.6) |
| I | PCNA_N | e1vyjI1 | A: a+b two layers | X: DNA clamp (From Topology) | H: DNA clamp (From Topology) | T: DNA clamp | F: PCNA_N | ECOD (1.6) |
| I | PCNA_C | e1vyjI2 | A: a+b two layers | X: DNA clamp (From Topology) | H: DNA clamp (From Topology) | T: DNA clamp | F: PCNA_C | ECOD (1.6) |
| G | PCNA_N | e1vyjG1 | A: a+b two layers | X: DNA clamp (From Topology) | H: DNA clamp (From Topology) | T: DNA clamp | F: PCNA_N | ECOD (1.6) |
| G | PCNA_C | e1vyjG2 | A: a+b two layers | X: DNA clamp (From Topology) | H: DNA clamp (From Topology) | T: DNA clamp | F: PCNA_C | ECOD (1.6) |
| E | PCNA_N | e1vyjE1 | A: a+b two layers | X: DNA clamp (From Topology) | H: DNA clamp (From Topology) | T: DNA clamp | F: PCNA_N | ECOD (1.6) |
| E | PCNA_C | e1vyjE2 | A: a+b two layers | X: DNA clamp (From Topology) | H: DNA clamp (From Topology) | T: DNA clamp | F: PCNA_C | ECOD (1.6) |
| C | PCNA_N | e1vyjC1 | A: a+b two layers | X: DNA clamp (From Topology) | H: DNA clamp (From Topology) | T: DNA clamp | F: PCNA_N | ECOD (1.6) |
| C | PCNA_C | e1vyjC2 | A: a+b two layers | X: DNA clamp (From Topology) | H: DNA clamp (From Topology) | T: DNA clamp | F: PCNA_C | ECOD (1.6) |
| A | PCNA_N | e1vyjA1 | A: a+b two layers | X: DNA clamp (From Topology) | H: DNA clamp (From Topology) | T: DNA clamp | F: PCNA_N | ECOD (1.6) |
| A | PCNA_C | e1vyjA2 | A: a+b two layers | X: DNA clamp (From Topology) | H: DNA clamp (From Topology) | T: DNA clamp | F: PCNA_C | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| K | 3.70.10.10 | Alpha Beta | Box | Proliferating Cell Nuclear Antigen | CATH (4.3.0) | |
| I | 3.70.10.10 | Alpha Beta | Box | Proliferating Cell Nuclear Antigen | CATH (4.3.0) | |
| G | 3.70.10.10 | Alpha Beta | Box | Proliferating Cell Nuclear Antigen | CATH (4.3.0) | |
| E | 3.70.10.10 | Alpha Beta | Box | Proliferating Cell Nuclear Antigen | CATH (4.3.0) | |
| C | 3.70.10.10 | Alpha Beta | Box | Proliferating Cell Nuclear Antigen | CATH (4.3.0) | |
| A | 3.70.10.10 | Alpha Beta | Box | Proliferating Cell Nuclear Antigen | CATH (4.3.0) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF02747 | Proliferating cell nuclear antigen, C-terminal domain (PCNA_C) | Proliferating cell nuclear antigen, C-terminal domain | N-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 | |
| PF00705 | Proliferating cell nuclear antigen, N-terminal domain (PCNA_N) | Proliferating cell nuclear antigen, N-terminal domain | N-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
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR046938 | DNA clamp superfamily | Homologous Superfamily | |
| IPR022648 | Proliferating cell nuclear antigen, PCNA, N-terminal | Domain | |
| IPR000730 | Proliferating cell nuclear antigen, PCNA | Family | |
| IPR022649 | Proliferating cell nuclear antigen, PCNA, C-terminal | Domain | |
| IPR022659 | Proliferating cell nuclear antigen, PCNA, conserved site | Conserved Site |














