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) | GTPase Der | polymer | 162 | 17778.0 | 2 | UniProt (P50743) Pfam (PF01926) | Bacillus subtilis (strain 168) | GTP-binding protein EngA |
| 2 | C, H (A, B) | GUANOSINE-5'-DIPHOSPHATE | non-polymer | 443.2 | 2 | Chemie (GDP) | |||
| 3 | D, E, G (A) | POTASSIUM ION | non-polymer | 39.1 | 3 | Chemie (K) | |||
| 4 | F, J (A, B) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 5 | I (B) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 6 | K, L (A, B) | water | water | 18.0 | 256 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 35556.1 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 1075.3 | |
| All* | Total formula weight | 36631.3 |






