8y2z

X-ray diffraction
3.94Å resolution

MPXV mRNA cap N7 methyltransferase

Released:
Model geometry
Fit model/data
Source organism: Monkeypox virus
Entry authors: Chen AK, Li JX

Function and Biology Details

Reactions catalysed:
S-adenosyl-L-methionine + a 5'-(5'-triphosphoguanosine)-[mRNA] = S-adenosyl-L-homocysteine + a 5'-(N(7)-methyl 5'-triphosphoguanosine)-[mRNA]
GTP + a 5'-diphospho-[mRNA] = diphosphate + a 5'-(5'-triphosphoguanosine)-[mRNA]
A 5'-triphospho-[mRNA] + H(2)O = a 5'-diphospho-[mRNA] + phosphate
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-284442 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
mRNA-capping enzyme catalytic subunit Chain: A
Molecule details ›
Chain: A
Length: 300 amino acids
Theoretical weight: 34.63 KDa
Source organism: Monkeypox virus
Expression system: Escherichia
UniProt:
  • Canonical: A0A7H0DN85 (Residues: 546-845; Coverage: 36%)
Gene names: MPXVgp098, OPG113
Sequence domains: mRNA (guanine-N(7))-methyltransferase domain
mRNA-capping enzyme regulatory subunit OPG124 Chain: B
Molecule details ›
Chain: B
Length: 287 amino acids
Theoretical weight: 33.5 KDa
Source organism: Monkeypox virus
Expression system: Escherichia coli
UniProt:
  • Canonical: A0A7H0DN96 (Residues: 1-287; Coverage: 100%)
Gene names: MPXVgp109, OPG124
Sequence domains: Poxvirus mRNA capping enzyme, small subunit

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: SSRF BEAMLINE BL10U2
Spacegroup: P6522
Unit cell:
a: 138.55Å b: 138.55Å c: 178.36Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.275 0.273 0.316
Expression systems:
  • Escherichia
  • Escherichia coli