X-ray diffraction
2.5Å resolution

crystal structure of murine norovirus RNA dependent RNA polymerase in complex with ribavirin


Function and Biology Details

Reactions catalysed:
Nucleoside triphosphate + RNA(n) = diphosphate + RNA(n+1)
Endopeptidase with a preference for cleavage when the P1 position is occupied by Glu-|- and the P1' position is occupied by Gly-|-
NTP + H(2)O = NDP + phosphate
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
NTPase Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 517 amino acids
Theoretical weight: 58.52 KDa
Source organism: Murine norovirus 1
Expression system: Escherichia coli
  • Canonical: Q80J95 (Residues: 1181-1686; Coverage: 30%)
Sequence domains: Viral RNA-dependent RNA polymerase
Structure domains:

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PAL/PLS BEAMLINE 4A
Spacegroup: C2
Unit cell:
a: 119.952Å b: 196.084Å c: 109.206Å
α: 90° β: 114.12° γ: 90°
R R work R free
0.182 0.181 0.229
Expression system: Escherichia coli