4ZK6
Crystallographic Capture of Quinolinate Synthase (NadA) from Pyrococcus horikoshii in its Substrates and Product-Bound States
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) | Quinolinate synthase A | polymer | 300 | 34190.0 | 2 | UniProt (O57767) Pfam (PF02445) | Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3) | |
| 2 | C, H (A, B) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 2 | Chemie (SF4) | |||
| 3 | D, I (A, B) | QUINOLINIC ACID | non-polymer | 167.1 | 2 | Chemie (NTM) | |||
| 4 | E, N (A, B) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
| 5 | F, G, L, M (A, B) | SODIUM ION | non-polymer | 23.0 | 4 | Chemie (NA) | |||
| 6 | J, K (B) | ACETATE ION | non-polymer | 59.0 | 2 | Chemie (ACT) | |||
| 7 | O, P (A, B) | water | water | 18.0 | 287 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 68380.1 | |
| Non-Polymers* | Number of molecules | 12 |
| Total formula weight | 1318.5 | |
| All* | Total formula weight | 69698.5 |
