human Lig1-DNA-PCNA complex reconstituted in absence of ATP
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| D | SCOP2B Superfamily | DNA clamp | 8032799 | 3000780 | SCOP2B (2022-06-29) |
| D | SCOP2B Superfamily | DNA clamp | 8032796 | 3000780 | SCOP2B (2022-06-29) |
| C | SCOP2B Superfamily | DNA clamp | 8032799 | 3000780 | SCOP2B (2022-06-29) |
| C | SCOP2B Superfamily | DNA clamp | 8032796 | 3000780 | SCOP2B (2022-06-29) |
| B | SCOP2B Superfamily | DNA clamp | 8032799 | 3000780 | SCOP2B (2022-06-29) |
| B | SCOP2B Superfamily | DNA clamp | 8032796 | 3000780 | SCOP2B (2022-06-29) |
| A | SCOP2B Superfamily | DNA ligase/mRNA capping enzyme, catalytic domain | 8043722 | 3000798 | SCOP2B (2022-06-29) |
| A | SCOP2B Superfamily | Nucleic acid-binding proteins | 8043720 | 3000135 | SCOP2B (2022-06-29) |
| A | SCOP2B Superfamily | ATP-dependent DNA ligase DNA-binding domain | 8043718 | 3001985 | 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) |
|---|---|---|---|---|---|---|---|---|
| D | PCNA_N | e7qnzD1 | A: a+b two layers | X: DNA clamp (From Topology) | H: DNA clamp (From Topology) | T: DNA clamp | F: PCNA_N | ECOD (1.6) |
| D | PCNA_C | e7qnzD2 | 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 | e7qnzC2 | 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 | e7qnzC1 | A: a+b two layers | X: DNA clamp (From Topology) | H: DNA clamp (From Topology) | T: DNA clamp | F: PCNA_C | ECOD (1.6) |
| B | PCNA_N | e7qnzB2 | A: a+b two layers | X: DNA clamp (From Topology) | H: DNA clamp (From Topology) | T: DNA clamp | F: PCNA_N | ECOD (1.6) |
| B | PCNA_C | e7qnzB1 | 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 | DNA_ligase_A_C | e7qnzA4 | A: beta barrels | X: OB-fold | H: Nucleic acid-binding proteins (From Topology) | T: Nucleic acid-binding proteins | F: DNA_ligase_A_C | ECOD (1.6) |
| A | DNA_ligase_A_N | e7qnzA3 | A: alpha bundles | X: ATP-dependent DNA ligase DNA-binding domain (From Topology) | H: ATP-dependent DNA ligase DNA-binding domain (From Topology) | T: ATP-dependent DNA ligase DNA-binding domain | F: DNA_ligase_A_N | ECOD (1.6) |
| A | DNA_ligase_A_M | e7qnzA2 | A: a+b complex topology | X: Protein kinase/SAICAR synthase/ATP-grasp (From Homology) | H: Protein kinase/SAICAR synthase/ATP-grasp | T: ATP-grasp | F: DNA_ligase_A_M | ECOD (1.6) |
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 | |
| PF04675 | DNA ligase N terminus (DNA_ligase_A_N) | DNA ligase N terminus | - | Family | |
| PF01068 | ATP dependent DNA ligase domain (DNA_ligase_A_M) | ATP dependent DNA ligase domain | This domain belongs to a more diverse superfamily, including Pfam:PF01331 and Pfam:PF01653 [3]. | Domain | |
| PF04679 | ATP dependent DNA ligase C terminal region (DNA_ligase_A_C) | ATP dependent DNA ligase C terminal region | This region is found in many but not all ATP-dependent DNA ligase enzymes (EC:6.5.1.1). It is thought to constitute part of the catalytic core of ATP dependent DNA ligase [1]. | 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 | |
| IPR036599 | DNA ligase, ATP-dependent, N-terminal domain superfamily | Homologous Superfamily | |
| IPR012310 | DNA ligase, ATP-dependent, central | Domain | |
| IPR012308 | DNA ligase, ATP-dependent, N-terminal | Domain | |
| IPR016059 | DNA ligase, ATP-dependent, conserved site | Conserved Site | |
| IPR000977 | DNA ligase, ATP-dependent | Family | |
| IPR050191 | ATP-dependent DNA ligase | Family | |
| IPR012340 | Nucleic acid-binding, OB-fold | Homologous Superfamily | |
| IPR012309 | DNA ligase, ATP-dependent, C-terminal | Domain |














