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Crystal Structure of TGT in complex with 2,6-Diamino-3H-Quinazolin-4-one Crystallized at PH 5.5

X-ray diffraction
1.2Å resolution
PDB entry 1r5y coloured by chain, front view.
PDB entry 1r5y coloured by chain, side view.
PDB entry 1r5y coloured by chain, top view.
Source organism: Zymomonas mobilis
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Queuine tRNA-ribosyltransferase
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Multimeric state: homo dimer
Accessible surface area: 25395.51 Å2
Buried surface area: 3985.34 Å2
Dissociation area: 1,551.53 Å2
Dissociation energy (ΔGdiss): 12.49 kcal/mol
Dissociation entropy (TΔSdiss): 13.89 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-151274

Macromolecules

Queuine tRNA-ribosyltransferase
Chain: A
Length: 386 amino acids
Theoretical weight: 42.93 KDa
Source organism: Zymomonas mobilis
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P28720 (Residues: 1-386; Coverage: 100%)
Gene names: ZMO0363, tgt
Pfam: Queuine tRNA-ribosyltransferase
InterPro:
CATH: Queuine tRNA-ribosyltransferase-like
SCOP: tRNA-guanine transglycosylase
Queuine tRNA-ribosyltransferase in PDB entry 1r5y, assembly 1, front view.
Queuine tRNA-ribosyltransferase in PDB entry 1r5y, assembly 1, side view.
Queuine tRNA-ribosyltransferase in PDB entry 1r5y, assembly 1, top view.
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