2FA9
The crystal structure of Sar1[H79G]-GDP provides insight into the coat-controlled GTP hydrolysis in the disassembly of COP II
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) | GTP-binding protein SAR1b | polymer | 189 | 21151.4 | 2 | UniProt (Q9QVY3) Pfam (PF00025) | Cricetulus griseus (Chinese hamster) | Sar1, GTBPB |
| 2 | C, F (A, B) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 3 | D, G (A, B) | SULFATE ION | non-polymer | 96.1 | 2 | Chemie (SO4) | |||
| 4 | E, H (A, B) | GUANOSINE-5'-DIPHOSPHATE | non-polymer | 443.2 | 2 | Chemie (GDP) | |||
| 5 | I, J (A, B) | water | water | 18.0 | 121 | Chemie (HOH) |
Sequence modifications
A, B: 10 - 198 (UniProt: Q9QVY3)
| PDB | External Database | Details |
|---|---|---|
| Gly 79 | His 79 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 42302.7 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 1127.1 | |
| All* | Total formula weight | 43429.8 |
