6YHD
tRNA-guanine Transglycosylase (TGT) labeled with 5-fluorotryptophan in co-crystallized complex with 6-amino-4-(2-((2R,3S,4R,5R)-3,4-dihydroxy-5-methoxytetrahydrofuran-2-yl)ethyl)-2-(methylamino)-3,7-dihydro-8H-imidazo[4,5-g]quinazolin-8-one
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | Queuine tRNA-ribosyltransferase | polymer | 388 | 43141.8 | 1 | UniProt (P28720) Pfam (PF01702) In PDB | Zymomonas mobilis subsp. mobilis ZM4 = ATCC 31821 | Guanine insertion enzyme,tRNA-guanine transglycosylase |
| 2 | A | methyl 6-[6-amino-2-(methylamino)-8-oxo-7,8-dihydro-1H-imidazo[4,5-g]quinazolin-4-yl]-5,6-dideoxy-beta-D-ribo-hexofuranoside | non-polymer | 390.4 | 1 | Chemie (1WK) | |||
| 3 | A | GLYCEROL | non-polymer | 92.1 | 2 | Chemie (GOL) | |||
| 4 | A | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 5 | A | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 6 | water | water | 18.0 | 414 | Chemie (HOH) |
Sequence modifications
A: 1 - 386 (UniProt: P28720)
| PDB | External Database | Details |
|---|---|---|
| Gly -1 | - | expression tag |
| Ser 0 | - | expression tag |
| Lys 312 | Thr 312 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 43141.8 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 675.4 | |
| All* | Total formula weight | 43817.2 |
