1DBQ
DNA-BINDING REGULATORY PROTEIN
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) | PURINE REPRESSOR | polymer | 289 | 32490.3 | 2 | UniProt (P0ACP7) Pfam (PF13377) | Escherichia coli | |
| 2 | C, D, E (A, B) | MAGNESIUM ION | non-polymer | 24.3 | 3 | Chemie (MG) | |||
| 3 | F, G (A, B) | water | water | 18.0 | 244 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 64980.5 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 72.9 | |
| All* | Total formula weight | 65053.4 |






