8B76
The crystal structure of M644G variant of DNA Pol Epsilon containing dTTP in the polymerase active site
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | DNA polymerase epsilon catalytic subunit A | polymer | 1191 | 137101.5 | 2 | UniProt (P21951) Pfam (PF03104) Pfam (PF22634) | Saccharomyces cerevisiae (baker's yeast) | 3'-5' exodeoxyribonuclease,DNA polymerase II subunit A |
| 2 | C, E (C, P) | Primer DNA sequence | polymer | 11 | 3293.2 | 2 | synthetic construct | ||
| 3 | D, F (D, T) | Template DNA sequence | polymer | 16 | 4898.2 | 2 | synthetic construct | ||
| 4 | G, H, I, L, M... (A, B) | CALCIUM ION | non-polymer | 40.1 | 6 | Chemie (CA) | |||
| 5 | J, O (A, B) | THYMIDINE-5'-TRIPHOSPHATE | non-polymer | 482.2 | 2 | Chemie (TTP) | |||
| 6 | K, P (A, B) | ACETATE ION | non-polymer | 59.0 | 2 | Chemie (ACT) | |||
| 7 | Q, R, S, T, U... (A, B, C, D, P...) | water | water | 18.0 | 53 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 1186 (UniProt: P21951)
| PDB | External Database | Details |
|---|---|---|
| Gly -4 | - | expression tag |
| Gly -3 | - | expression tag |
| Asp -2 | - | expression tag |
| Pro -1 | - | expression tag |
| His 0 | - | expression tag |
| Gly 644 | Met 644 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 6 |
| Total formula weight | 290585.6 | |
| Non-Polymers* | Number of molecules | 10 |
| Total formula weight | 1322.9 | |
| All* | Total formula weight | 291908.5 |
