8h0t

X-ray diffraction
1.17Å resolution

Crystal structure of MnmM from B. subtilis complexed with SAH (1.17 A)

Released:

Function and Biology Details

Reaction catalysed:
S-adenosyl-L-methionine + tRNA containing 5-(aminomethyl)-2-thiouridine = S-adenosyl-L-homocysteine + tRNA containing ((5-methylamino)methyl)-2-thiouridylate
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-128565 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
tRNA (mnm(5)s(2)U34)-methyltransferase Chain: A
Molecule details ›
Chain: A
Length: 202 amino acids
Theoretical weight: 22.25 KDa
Source organism: Bacillus subtilis subsp. subtilis str. 168
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O34614 (Residues: 1-194; Coverage: 100%)
Gene names: BSU30490, mnmM, ytqB
Sequence domains: Putative rRNA methylase

Ligands and Environments


Cofactor: Ligand SAH 1 x SAH
No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PAL/PLS BEAMLINE 5C (4A)
Spacegroup: C2
Unit cell:
a: 52.555Å b: 55.387Å c: 60.592Å
α: 90° β: 103.16° γ: 90°
R-values:
R R work R free
0.136 0.135 0.167
Expression system: Escherichia coli BL21(DE3)