4Q4R
tRNA-Guanine Transglycosylase (TGT) in Complex with 2-{[2-(Morpholin-4-yl)ethyl]amino}-1H,7H,8H-imidazo[4,5-g]quinazolin-8-one
Replaces: 3V0YReplaces: 3GFNEntity
| 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 | 42925.7 | 1 | UniProt (P28720) Pfam (PF01702) | Zymomonas mobilis subsp. mobilis | Guanine insertion enzyme, tRNA-guanine transglycosylase |
| 2 | B (A) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 3 | C, D, E (A) | GLYCEROL | non-polymer | 92.1 | 3 | Chemie (GOL) | |||
| 4 | F (A) | 2-{[2-(4-Morpholinyl)ethyl]amino}-1,7-dihydro-8H-imidazo[4,5-g]quinazolin-8-one | non-polymer | 314.3 | 1 | Chemie (SQO) | |||
| 5 | G (A) | water | water | 18.0 | 282 | Chemie (HOH) |
Sequence modifications
A: 1 - 386 (UniProt: P28720)
| PDB | External Database | Details |
|---|---|---|
| Lys 312 | Thr 312 | SEE REMARK 999 |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 42925.7 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 656.0 | |
| All* | Total formula weight | 43581.7 |
