1KP3
Crystal Structure of E. coli Argininosuccinate Synthetase in Complex with ATP and Citrulline
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | argininosuccinate synthetase | polymer | 455 | 50967.3 | 1 | UniProt (P0A6E4) Pfam (PF00764) Pfam (PF20979) | Escherichia coli | |
| 2 | B (A) | PHOSPHATE ION | non-polymer | 95.0 | 1 | Chemie (PO4) | |||
| 3 | C (A) | ADENOSINE-5'-TRIPHOSPHATE | non-polymer | 507.2 | 1 | Chemie (ATP) | |||
| 4 | D, E (A) | CITRULLINE | non-polymer | 175.2 | 2 | Chemie (CIR) | |||
| 5 | F, G (A) | GUANIDINE | non-polymer | 59.1 | 2 | Chemie (GAI) | |||
| 6 | H (A) | water | water | 18.0 | 186 | Chemie (HOH) |
Sequence modifications
A: 1 - 446 (UniProt: P0A6E4)
| PDB | External Database | Details |
|---|---|---|
| Ser 447 | - | expression tag |
| Val 448 | - | expression tag |
| Glu 449 | - | expression tag |
| His 450 | - | expression tag |
| His 451 | - | expression tag |
| His 452 | - | expression tag |
| His 453 | - | expression tag |
| His 454 | - | expression tag |
| His 455 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 50967.3 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 1070.7 | |
| All* | Total formula weight | 52037.9 |
