1X9J
Structure of butyrate kinase 2 reveals both open- and citrate-induced closed conformations: implications for substrate-induced fit conformational changes
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, E... (A, B, C, D, E...) | Probable butyrate kinase 2 | polymer | 375 | 42083.4 | 8 | UniProt (Q9X278) Pfam (PF00871) | Thermotoga maritima | BK 2, BUK2, Branched-chain carboxylic acid kinase 2 |
| 2 | I, K, L, P, T (A, B, C, D, F) | GLYCEROL | non-polymer | 92.1 | 5 | Chemie (GOL) | |||
| 3 | J, Q, R, S, W (B, E, F, H) | PHOSPHATE ION | non-polymer | 95.0 | 5 | Chemie (PO4) | |||
| 4 | M (D) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 5 | N, O, U, V (D, G) | CITRIC ACID | non-polymer | 192.1 | 4 | Chemie (CIT) | |||
| 6 | AA, BA, CA, DA, EA... (D, E, F, G, H...) | water | water | 18.0 | 47 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 8 |
| Total formula weight | 336666.8 | |
| Non-Polymers* | Number of molecules | 15 |
| Total formula weight | 1726.8 | |
| All* | Total formula weight | 338393.7 |
