4DXX
TGT K52M mutant crystallized at pH 8.5
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Queuine tRNA-ribosyltransferase | polymer | 386 | 42927.7 | 1 | UniProt (P28720) Pfam (PF01702) | Zymomonas mobilis | Guanine insertion enzyme, tRNA-guanine transglycosylase |
| 2 | B (A) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 3 | C (A) | GLYCEROL | non-polymer | 92.1 | 1 | Chemie (GOL) | |||
| 4 | D, E, F (A) | DIMETHYL SULFOXIDE | non-polymer | 78.1 | 3 | Chemie (DMS) | |||
| 5 | G (A) | water | water | 18.0 | 421 | Chemie (HOH) |
Sequence modifications
A: 1 - 386 (UniProt: P28720)
| PDB | External Database | Details |
|---|---|---|
| Met 52 | Lys 52 | engineered mutation |
| Lys 312 | Thr 312 | SEE REMARK 999 |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 42927.7 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 391.9 | |
| All* | Total formula weight | 43319.6 |
