4DLK
Crystal Structure of ATP-Ca++ complex of purK: N5-carboxyaminoimidazole ribonucleotide synthetase
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) | Phosphoribosylaminoimidazole carboxylase, ATPase subunit | polymer | 380 | 42224.2 | 2 | UniProt (Q81ZH7) Pfam (PF22660) Pfam (PF02222) Pfam (PF17769) UniProt (by SIFTS) (A0A6L8P0X7) | Bacillus anthracis (anthrax anthrax bacterium) | N5-carboxyaminoimidazole ribonucleotide synthetase |
| 2 | C, D, E, J, K (A, B) | CALCIUM ION | non-polymer | 40.1 | 5 | Chemie (CA) | |||
| 3 | F, G, H, L (A, B) | ADENOSINE-5'-TRIPHOSPHATE | non-polymer | 507.2 | 4 | Chemie (ATP) | |||
| 4 | I (A) | PHOSPHATE ION | non-polymer | 95.0 | 1 | Chemie (PO4) | |||
| 5 | M, N (A, B) | water | water | 18.0 | 308 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 84448.4 | |
| Non-Polymers* | Number of molecules | 10 |
| Total formula weight | 2324.1 | |
| All* | Total formula weight | 86772.5 |
