5KTS
Crystal structure of Pyrococcus horikoshii quinolinate synthase (NadA) with bound citraconate and Fe4S4 cluster
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | Quinolinate synthase A | polymer | 304 | 34582.4 | 1 | UniProt (O57767) Pfam (PF02445) In PDB | Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3) | |
| 2 | A | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 1 | Chemie (SF4) | |||
| 3 | A | (~{Z})-2-methylbut-2-enedioic acid | non-polymer | 130.1 | 1 | Chemie (CIZ) | |||
| 4 | A | CHLORIDE ION | non-polymer | 35.5 | 3 | Chemie (CL) | |||
| 5 | A | AMMONIUM ION | non-polymer | 18.0 | 1 | Chemie (NH4) | |||
| 6 | water | water | 18.0 | 394 | Chemie (HOH) |
Sequence modifications
A: 1 - 300 (UniProt: O57767)
| PDB | External Database | Details |
|---|---|---|
| Gly -3 | - | expression tag |
| Ser -2 | - | expression tag |
| Phe -1 | - | expression tag |
| Thr 0 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 34582.4 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 606.1 | |
| All* | Total formula weight | 35188.6 |
