4DFJ
Crystal structure of the large fragment of DNA Polymerase I from Thermus aquaticus in a closed ternary complex with 5-(aminopentinyl)-dTTP
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | DNA polymerase I, thermostable | polymer | 540 | 60937.0 | 1 | UniProt (P19821) Pfam (PF09281) Pfam (PF00476) | Thermus aquaticus | Taq polymerase 1 |
| 2 | B (B) | 5'-d(GACCACGGCGC DOC)-3' | polymer | 12 | 3617.4 | 1 | |||
| 3 | C (C) | 5'-d(AAAAGGCGCCGTGGTC)-3' | polymer | 16 | 4948.2 | 1 | |||
| 4 | D, E, H, I, O... (A, B, C) | MAGNESIUM ION | non-polymer | 24.3 | 8 | Chemie (MG) | |||
| 5 | F (A) | 5-(5-aminopent-1-yn-1-yl)-2'-deoxyuridine 5'-(tetrahydrogen triphosphate) | non-polymer | 549.3 | 1 | Chemie (0KL) | |||
| 6 | G, K, N, P, Q... (A, B) | FORMIC ACID | non-polymer | 46.0 | 6 | Chemie (FMT) | |||
| 7 | J, L, M, U (A, C) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 4 | Chemie (EDO) | |||
| 8 | T (B) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 9 | X, Y, Z (A, B, C) | water | water | 18.0 | 238 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 69502.6 | |
| Non-Polymers* | Number of molecules | 20 |
| Total formula weight | 1303.6 | |
| All* | Total formula weight | 70806.1 |
