4XIY
Crystal structure of ketol-acid reductoisomerase from Azotobacter
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (A, B, C, D) | Ketol-acid reductoisomerase | polymer | 338 | 36676.7 | 4 | UniProt (C1DFH7) Pfam (PF07991) Pfam (PF01450) | Azotobacter vinelandii | Acetohydroxy-acid isomeroreductase,Alpha-keto-beta-hydroxylacyl reductoisomerase |
| 2 | E, H, L, N (A, B, C, D) | MAGNESIUM ION | non-polymer | 24.3 | 4 | Chemie (MG) | |||
| 3 | F, I, K, O (A, B, C, D) | FE (III) ION | non-polymer | 55.8 | 4 | Chemie (FE) | |||
| 4 | G, J (A, B) | TRIETHYLENE GLYCOL | non-polymer | 150.2 | 2 | Chemie (PGE) | |||
| 5 | M (C) | DI(HYDROXYETHYL)ETHER | non-polymer | 106.1 | 1 | Chemie (PEG) | |||
| 6 | P (D) | TETRAETHYLENE GLYCOL | non-polymer | 194.2 | 1 | Chemie (PG4) | |||
| 7 | Q, R, S, T (A, B, C, D) | water | water | 18.0 | 40 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 146706.9 | |
| Non-Polymers* | Number of molecules | 12 |
| Total formula weight | 921.3 | |
| All* | Total formula weight | 147628.2 |
