PDBe 2pwv

X-ray diffraction
1.7Å resolution

tRNA guanine transglycosylase E235Q mutant in complex with preQ0

Released:

Function and Biology Details

Reaction catalysed:
Guanine(34) in tRNA + 7-aminomethyl-7-carbaguanine = 7-aminomethyl-7-carbaguanine(34) in tRNA + guanine
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Queuine tRNA-ribosyltransferase Chain: A
Molecule details ›
Chain: A
Length: 386 amino acids
Theoretical weight: 42.92 KDa
Source organism: Zymomonas mobilis
Expression system: Escherichia coli
UniProt:
  • Canonical: P28720 (Residues: 1-386; Coverage: 100%)
Gene names: ZMO0363, tgt
Sequence domains: Queuine tRNA-ribosyltransferase
Structure domains: Queuine tRNA-ribosyltransferase-like

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: C2
Unit cell:
a: 90.757Å b: 65.175Å c: 70.455Å
α: 90° β: 96.12° γ: 90°
R-values:
R R work R free
0.201 0.201 0.245
Expression system: Escherichia coli