5e9w

X-ray diffraction
2.28Å resolution

Crystal structure of mRNA cap guanine-N7 methyltransferase obtained by limited proteolysis

Released:

Function and Biology Details

Reaction catalysed:
S-adenosyl-L-methionine + a 5'-(5'-triphosphoguanosine)-[mRNA] = S-adenosyl-L-homocysteine + a 5'-(N(7)-methyl 5'-triphosphoguanosine)-[mRNA]
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-128838 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
mRNA cap guanine-N7 methyltransferase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 312 amino acids
Theoretical weight: 36.72 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: O43148 (Residues: 165-476; Coverage: 66%)
Gene names: KIAA0398, RNMT
Sequence domains: mRNA (guanine-N(7))-methyltransferase domain
Structure domains: Vaccinia Virus protein VP39

Ligands and Environments


Cofactor: Ligand SAH 4 x SAH
No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I04
Spacegroup: P212121
Unit cell:
a: 77.458Å b: 99.157Å c: 167.614Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.222 0.22 0.255
Expression system: Escherichia coli