cryo-EM structure of the E. coli replicative DNA polymerase complex bound to DNA (DNA polymerase III alpha, beta, epsilon)
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| D | SCOP2B Superfamily | Ribonuclease H-like | 8042074 | 3000143 | SCOP2B (2022-06-29) |
| C | SCOP2B Superfamily | DNA clamp | 8038076 | 3000780 | SCOP2B (2022-06-29) |
| C | SCOP2B Superfamily | DNA clamp | 8038082 | 3000780 | SCOP2B (2022-06-29) |
| C | SCOP2B Superfamily | DNA clamp | 8038081 | 3000780 | SCOP2B (2022-06-29) |
| B | SCOP2B Superfamily | DNA clamp | 8038081 | 3000780 | SCOP2B (2022-06-29) |
| B | SCOP2B Superfamily | DNA clamp | 8038082 | 3000780 | SCOP2B (2022-06-29) |
| B | SCOP2B Superfamily | DNA clamp | 8038076 | 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) |
|---|---|---|---|---|---|---|---|---|
| D | RNase_T | e5fkwD1 | A: mixed a+b and a/b | X: Ribonuclease H-like | H: Ribonuclease H-like (From Topology) | T: Ribonuclease H-like | F: RNase_T | ECOD (1.6) |
| C | DNA_pol3_beta | e5fkwC3 | A: a+b two layers | X: DNA clamp (From Topology) | H: DNA clamp (From Topology) | T: DNA clamp | F: DNA_pol3_beta | ECOD (1.6) |
| C | DNA_pol3_beta_2 | e5fkwC2 | A: a+b two layers | X: DNA clamp (From Topology) | H: DNA clamp (From Topology) | T: DNA clamp | F: DNA_pol3_beta_2 | ECOD (1.6) |
| C | DNA_pol3_beta_3 | e5fkwC1 | A: a+b two layers | X: DNA clamp (From Topology) | H: DNA clamp (From Topology) | T: DNA clamp | F: DNA_pol3_beta_3 | ECOD (1.6) |
| B | DNA_pol3_beta | e5fkwB2 | A: a+b two layers | X: DNA clamp (From Topology) | H: DNA clamp (From Topology) | T: DNA clamp | F: DNA_pol3_beta | ECOD (1.6) |
| B | DNA_pol3_beta_2 | e5fkwB3 | A: a+b two layers | X: DNA clamp (From Topology) | H: DNA clamp (From Topology) | T: DNA clamp | F: DNA_pol3_beta_2 | ECOD (1.6) |
| B | DNA_pol3_beta_3 | e5fkwB1 | A: a+b two layers | X: DNA clamp (From Topology) | H: DNA clamp (From Topology) | T: DNA clamp | F: DNA_pol3_beta_3 | ECOD (1.6) |
| A | HHH_6 | e5fkwA3 | A: alpha arrays | X: HhH/H2TH | H: SAM/DNA-glycosylase | T: SAM domain-like | F: HHH_6 | ECOD (1.6) |
| A | DNA_pol3_alpha_C | e5fkwA4 | A: alpha arrays | X: DNA polymerase III finger domain (From Topology) | H: DNA polymerase III finger domain (From Topology) | T: DNA polymerase III finger domain | F: DNA_pol3_alpha_C | ECOD (1.6) |
| A | DNA_pol3_alpha_N | e5fkwA1 | A: a+b three layers | X: Nucleotidyltransferase-like | H: Nucleotidyltransferase (From Topology) | T: Nucleotidyltransferase | F: DNA_pol3_alpha_N | ECOD (1.6) |
| A | PHP | e5fkwA2 | A: a/b barrels | X: TIM beta/alpha-barrel | H: TIM barrels (From Topology) | T: TIM barrels | F: PHP | ECOD (1.6) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF00929 | Exonuclease (RNase_T) | Exonuclease | This family includes a variety of exonuclease proteins, such as ribonuclease T and the epsilon subunit of DNA polymerase III.; | Domain | |
| PF02768 | DNA polymerase III beta subunit, C-terminal domain (DNA_pol3_beta_3) | DNA polymerase III beta subunit, C-terminal domain | A dimer of the beta subunit of DNA polymerase beta forms a ring which encircles duplex DNA. Each monomer contains three domains of identical topology and DNA clamp fold. | Domain | |
| PF02767 | DNA polymerase III beta subunit, central domain (DNA_pol3_beta_2) | DNA polymerase III beta subunit, central domain | A dimer of the beta subunit of DNA polymerase beta forms a ring which encircles duplex DNA. Each monomer contains three domains of identical topology and DNA clamp fold. | Domain | |
| PF00712 | DNA polymerase III beta subunit, N-terminal domain (DNA_pol3_beta) | DNA polymerase III beta subunit, N-terminal domain | A dimer of the beta subunit of DNA polymerase beta forms a ring which encircles duplex DNA. Each monomer contains three domains of identical topology and DNA clamp fold. | Domain | |
| PF02811 | PHP domain (PHP) | PHP domain | - | Family | |
| PF07733 | Bacterial DNA polymerase III alpha NTPase domain (DNA_pol3_alpha) | Bacterial DNA polymerase III alpha NTPase domain | Domain | ||
| PF14579 | Helix-hairpin-helix motif (HHH_6) | Helix-hairpin-helix motif | The HHH domain is a short DNA-binding domain [1]. | Domain | |
| PF17657 | Bacterial DNA polymerase III alpha subunit finger domain (DNA_pol3_finger) | Bacterial DNA polymerase III alpha subunit finger domain | Domain |














