› 4gh3

X-ray diffraction
2.06Å resolution

tRNA Guanine Transglycosylase in complex with phenethyl substituted lin-benzohypoxanthine inhibitor

Released:
DOI: 10.2210/pdb4gh3/pdb
PDB entry 4gh3 coloured by chain, front view.
PDB entry 4gh3 coloured by chain, side view.
PDB entry 4gh3 coloured by chain, top view.
Source organism: Zymomonas mobilis subsp. mobilis ZM4 = ATCC 31821
Entry authors: Immekus F, Klebe G

Function and Biology Details

Reaction catalysed: 
Guanine(34) in tRNA + 7-aminomethyl-7-carbaguanine = 7-aminomethyl-7-carbaguanine(34) in tRNA + guanine
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-151274 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Queuine tRNA-ribosyltransferase Chain: A
Molecule details ›
Chain: A
Length: 386 amino acids
Theoretical weight: 42.93 KDa
Source organism: Zymomonas mobilis subsp. mobilis ZM4 = ATCC 31821
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

2 bound ligands:
Ligand ZN 1 x ZN
Ligand 0EV 1 x 0EV
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: BESSY BEAMLINE 14.2
Spacegroup: C2
Unit cell:
a: 91.828Å b: 65.015Å c: 70.941Å
α: 90° β: 96.59° γ: 90°
R-values:
R R work R free
0.19 0.187 0.265
Expression system: Escherichia coli

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