1nv9

X-ray diffraction
2.36Å resolution

HemK, apo structure

Released:

Function and Biology Details

Reaction catalysed:
S-adenosyl-L-methionine + [peptide chain release factor 1 or 2]-L-glutamine = S-adenosyl-L-homocysteine + [peptide chain release factor 1 or 2]-N(5)-methyl-L-glutamine
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-194552 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Release factor glutamine methyltransferase Chain: A
Molecule details ›
Chain: A
Length: 284 amino acids
Theoretical weight: 31.78 KDa
Source organism: Thermotoga maritima
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9WYV8 (Residues: 1-282; Coverage: 100%)
Gene names: TM_0488, prmC
Sequence domains:
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: SSRL BEAMLINE BL9-2
Spacegroup: P21212
Unit cell:
a: 82.897Å b: 59.013Å c: 63.832Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.242 0.239 0.3
Expression system: Escherichia coli