4jwj

X-ray diffraction
1.76Å resolution

Crystal structure of scTrm10(84)-SAH complex

Released:

Function and Biology Details

Reaction catalysed:
S-adenosyl-L-methionine + guanine(9) in tRNA = S-adenosyl-L-homocysteine + N(1)-methylguanine(9) in tRNA
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-171353 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
tRNA (guanine(9)-N1)-methyltransferase Chains: A, B
Molecule details ›
Chains: A, B
Length: 202 amino acids
Theoretical weight: 23.91 KDa
Source organism: Saccharomyces cerevisiae S288C
Expression system: Escherichia coli
UniProt:
  • Canonical: Q12400 (Residues: 84-276; Coverage: 66%)
Gene names: O0926, TRM10, YOL093W
Sequence domains: tRNA (Guanine-1)-methyltransferase
Structure domains: Alpha/beta knot

Ligands and Environments


Cofactor: Ligand SAH 2 x SAH
2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: C2
Unit cell:
a: 131.583Å b: 58.861Å c: 99.767Å
α: 90° β: 131.13° γ: 90°
R-values:
R R work R free
0.24 0.218 0.251
Expression system: Escherichia coli