3EPK
Crystallographic snapshots of eukaryotic dimethylallyltransferase acting on tRNA: Insight into tRNA recognition and reaction mechanism
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, C (A, B) | tRNA isopentenyltransferase | polymer | 409 | 48199.0 | 2 | UniProt (P07884) Pfam (PF01715) | Saccharomyces cerevisiae (Baker's yeast) | Isopentenyl-diphosphate: tRNA isopentenyltransferase, IPP transferase, IPTase, IPPT |
| 2 | B, D (E, F) | tRNA | polymer | 69 | 22224.1 | 2 | |||
| 3 | E, O (A, B) | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 4 | F, G, H, J, K... (A, E, B, F) | MAGNESIUM ION | non-polymer | 24.3 | 14 | Chemie (MG) | |||
| 5 | I (A) | DIMETHYLALLYL S-THIOLODIPHOSPHATE | non-polymer | 262.2 | 1 | Chemie (DST) | |||
| 6 | T (B) | PYROPHOSPHATE | non-polymer | 178.0 | 1 | Chemie (PPV) | |||
| 7 | W, X, Y, Z (A, E, B, F) | water | water | 18.0 | 236 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 140846.2 | |
| Non-Polymers* | Number of molecules | 18 |
| Total formula weight | 911.2 | |
| All* | Total formula weight | 141757.5 |
