› 3frh

X-ray diffraction
1.2Å resolution

Structure of the 16S rRNA methylase RmtB, P21

Released:
DOI: 10.2210/pdb3frh/pdb
PDB entry 3frh coloured by chain, front view.
PDB entry 3frh coloured by chain, side view.
PDB entry 3frh coloured by chain, top view.
Source organism: Escherichia coli
Primary publication:
Structural bases for 16 S rRNA methylation catalyzed by ArmA and RmtB methyltransferases.
Schmitt E, Galimand M, Panvert M, Courvalin P, Mechulam Y
J Mol Biol 388 570-82 (2009)
PMID: 19303884

Function and Biology Details

Reaction catalysed: 
S-adenosyl-L-methionine + guanine(1405) in 16S rRNA = S-adenosyl-L-homocysteine + N(7)-methylguanine(1405) in 16S rRNA
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-181137 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
16S rRNA (guanine(1405)-N(7))-methyltransferase Chain: A
Molecule details ›
Chain: A
Length: 253 amino acids
Theoretical weight: 27.7 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: Q763K9 (Residues: 1-251; Coverage: 100%)
Gene names: AKG29_00615, BANRA_05536, E4K51_26945, IPF_158, RmtB, pHN3A11_015, pHN7A8_021, pHNFP460_047, rmtB
Sequence domains: Ribosomal RNA methyltransferase (FmrO)
Structure domains:

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: ESRF BEAMLINE ID23-1
Spacegroup: P21
Unit cell:
a: 50.856Å b: 48.304Å c: 54.558Å
α: 90° β: 115.05° γ: 90°
R-values:
R R work R free
0.139 0.139 0.159
Expression system: Escherichia coli

Quick links

Citations

1 review citation

Ribosome-targeting antibiotics and resistance via ribosomal RNA methylation.
Jeremia et al. (2023)
18 other articles

6 mentions without citation

Mechanisms of Resistance to Aminoglycoside Antibiotics: Overview and Perspectives.
Garneau-Tsodikova et al. (2016)
5 more