5KTN
Crystal structure of Pyrococcus horikoshii quinolinate synthase (NadA) with bound dihydroxyacetone phosphate (DHAP) 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 (A) | Quinolinate synthase A | polymer | 304 | 34582.4 | 1 | UniProt (O57767) Pfam (PF02445) | Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3) | |
| 2 | B (A) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 1 | Chemie (SF4) | |||
| 3 | C (A) | 1,3-DIHYDROXYACETONEPHOSPHATE | non-polymer | 170.1 | 1 | Chemie (13P) | |||
| 4 | D, E (A) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
| 5 | F (A) | AMMONIUM ION | non-polymer | 18.0 | 1 | Chemie (NH4) | |||
| 6 | G (A) | water | water | 18.0 | 522 | 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 | 5 |
| Total formula weight | 610.6 | |
| All* | Total formula weight | 35193.1 |
