5LPQ
tRNA guanine Transglycosylase (TGT) in co-crystallized complex (space group P21) with 6-amino-4-(2-((3aR,4R,6R,6aR)-6-methoxy-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)ethyl)-2-(methylamino)-1H-imidazo[4,5-g]quinazolin-8(7H)-one
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | Queuine tRNA-ribosyltransferase | polymer | 386 | 42925.7 | 2 | UniProt (P28720) Pfam (PF01702) In PDB | Zymomonas mobilis subsp. mobilis (strain ATCC 31821 / ZM4 / CP4) | Guanine insertion enzyme,tRNA-guanine transglycosylase |
| 2 | A, B | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 3 | A, B | 4-[2-[(3~{a}~{R},4~{R},6~{R},6~{a}~{R})-4-methoxy-2,2-dimethyl-3~{a},4,6,6~{a}-tetrahydrofuro[3,4-d][1,3]dioxol-6-yl]ethyl]-6-azanyl-2-(methylamino)-1,7-dihydroimidazo[4,5-g]quinazolin-8-one | non-polymer | 430.5 | 2 | Chemie (72C) | |||
| 4 | water | water | 18.0 | 105 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 386 (UniProt: P28720)
| PDB | External Database | Details |
|---|---|---|
| Lys 312 | Thr 312 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 85851.4 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 991.7 | |
| All* | Total formula weight | 86843.1 |
