7P4M
Structure of the quinolinate synthase Y107F variant in an empty open form
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 | 34640.6 | 1 | UniProt (Q9X1X7) Pfam (PF02445) | Thermotoga maritima MSB8 | |
| 2 | B (A) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 1 | Chemie (SF4) | |||
| 3 | C (A) | FE3-S4 CLUSTER | non-polymer | 295.8 | 1 | Chemie (F3S) | |||
| 4 | D, E (A) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
| 5 | F (A) | water | water | 18.0 | 373 | 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 |
| Phe 107 | Tyr 107 | engineered mutation |
| Arg 219 | Lys 219 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 34640.6 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 718.3 | |
| All* | Total formula weight | 35358.9 |
