1CR1
CRYSTAL STRUCTURE OF THE HELICASE DOMAIN OF THE GENE 4 PROTEIN OF BACTERIOPHAGE T7: COMPLEX WITH 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 PRIMASE/HELICASE | polymer | 296 | 32832.0 | 1 | UniProt (P03692) Pfam (PF03796) | Enterobacteria phage T7 | |
| 2 | B, C (A) | SULFATE ION | non-polymer | 96.1 | 2 | Chemie (SO4) | |||
| 3 | D (A) | THYMIDINE-5'-TRIPHOSPHATE | non-polymer | 482.2 | 1 | Chemie (TTP) | |||
| 4 | E (A) | water | water | 18.0 | 46 | Chemie (HOH) |
Sequence modifications
A: 271 - 566 (UniProt: P03692)
| PDB | External Database | Details |
|---|---|---|
| Met 271 | Leu 271 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 32832.0 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 674.3 | |
| All* | Total formula weight | 33506.3 |
