4FSS
Crystal structure of a RAS p21 protein activator (RASA1) from Homo sapiens at 2.25 A resolution
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C | Ras GTPase-activating protein 1 | polymer | 62 | 7362.0 | 3 | UniProt (P20936) Pfam (PF00018) In PDB | Homo sapiens (human) | GAP, GTPase-activating protein, RasGAP, Ras p21 protein activator, p120GAP |
| 2 | A | PHOSPHATE ION | non-polymer | 95.0 | 1 | Chemie (PO4) | |||
| 3 | A, B, C | CHLORIDE ION | non-polymer | 35.5 | 3 | Chemie (CL) | |||
| 4 | C | GLYCEROL | non-polymer | 92.1 | 1 | Chemie (GOL) | |||
| 5 | water | water | 18.0 | 71 | Chemie (HOH) |
Sequence modifications
A, B, C: 281 - 341 (UniProt: P20936)
| PDB | External Database | Details |
|---|---|---|
| Gly 0 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 22086.1 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 293.4 | |
| All* | Total formula weight | 22379.5 |
