| P00581 | n/a | 1t7p | DG3 | P | 23 | e1t7pA1 | helical bundle in Bacillus stearothermophilus-like DNA polymerase I | helical bundle in Bacillus stearothermophilus-like DNA polymerase I | helical bundle in Bacillus stearothermophilus-like DNA polymerase I | DNA_pol_A |
| P00581 | n/a | 1t7p | DG3 | P | 23 | e1t7pA2 | fingers domain in bacteriophage RB69-like DNA polymerase I | fingers domain in bacteriophage RB69-like DNA polymerase I | fingers domain in bacteriophage RB69-like DNA polymerase I | DNA_pol_A |
| P00581 | n/a | 1t7p | DG3 | P | 23 | e1t7pA3 | Alpha-beta plaits | Adenylyl and guanylyl cyclase catalytic domain-like | Adenylyl and guanylyl cyclase catalytic domain-like | DNA_pol_A |