4R5F
X-ray structure of the D199K mutant of the cysteine desulfurase IscS from A. fulgidus
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Cysteine desulfurase IscS 2 | polymer | 382 | 41902.7 | 1 | UniProt (O29689) Pfam (PF00266) | Archaeoglobus fulgidus DSM 4304 | |
| 2 | B, D (A) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 3 | C (A) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 4 | E (A) | 4'-DEOXY-4'-AMINOPYRIDOXAL-5'-PHOSPHATE | non-polymer | 248.2 | 1 | Chemie (PMP) | |||
| 5 | F, G, H, I, J... (A) | TETRAETHYLENE GLYCOL | non-polymer | 194.2 | 9 | Chemie (PG4) | |||
| 6 | O (A) | ACETATE ION | non-polymer | 59.0 | 1 | Chemie (ACT) | |||
| 7 | P (A) | water | water | 18.0 | 376 | Chemie (HOH) |
Sequence modifications
A: 1 - 382 (UniProt: O29689)
| PDB | External Database | Details |
|---|---|---|
| Ile 16 | Val 16 | conflict |
| Lys 199 | Asp 199 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 41902.7 | |
| Non-Polymers* | Number of molecules | 14 |
| Total formula weight | 2170.9 | |
| All* | Total formula weight | 44073.5 |
