7OAR
Crystal structure of helicase Pif1 from Thermus oshimai in complex with parallel G-quadruplex
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) | Pif1 helicase | polymer | 450 | 51200.7 | 2 | Pfam (PF05970) UniProt (by SIFTS) (K7RJ88) | Thermus oshimai | |
| 2 | C (C) | DNA (28-MER) | polymer | 29 | 9076.8 | 1 | Escherichia coli | ||
| 3 | D, G (A, B) | ADENOSINE-5'-DIPHOSPHATE | non-polymer | 427.2 | 2 | Chemie (ADP) | |||
| 4 | E, H (A, B) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 5 | F, I (A, B) | TETRAFLUOROALUMINATE ION | non-polymer | 103.0 | 2 | Chemie (ALF) | |||
| 6 | J, K, L (C) | POTASSIUM ION | non-polymer | 39.1 | 3 | Chemie (K) | |||
| 7 | M, N (A, B) | water | water | 18.0 | 38 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 111478.3 | |
| Non-Polymers* | Number of molecules | 9 |
| Total formula weight | 1226.3 | |
| All* | Total formula weight | 112704.5 |
