4P3X
Structure of the Fe4S4 quinolinate synthase NadA from Thermotoga maritima
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 | 305 | 34656.6 | 1 | UniProt (Q9X1X7) Pfam (PF02445) | Thermotoga maritima | |
| 2 | B (A) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 1 | Chemie (SF4) | |||
| 3 | C (A) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 4 | D, E (A) | (4S)-2-METHYL-2,4-PENTANEDIOL | non-polymer | 118.2 | 2 | Chemie (MPD) | |||
| 5 | F (A) | water | water | 18.0 | 236 | Chemie (HOH) |
Sequence modifications
A: 1 - 298 (UniProt: Q9X1X7)
| PDB | External Database | Details |
|---|---|---|
| Met -6 | - | initiating methionine |
| His -5 | - | expression tag |
| His -4 | - | expression tag |
| His -3 | - | expression tag |
| His -2 | - | expression tag |
| His -1 | - | expression tag |
| His 0 | - | expression tag |
| Arg 219 | Lys 219 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 34656.6 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 653.4 | |
| All* | Total formula weight | 35310.0 |
