4y2a

X-ray diffraction
2.9Å resolution

Function and Biology Details

Reactions catalysed:
Nucleoside triphosphate + RNA(n) = diphosphate + RNA(n+1)
NTP + H(2)O = NDP + phosphate
Selective cleavage of Gln-|-Gly bond in the poliovirus polyprotein. In other picornavirus reactions Glu may be substituted for Gln, and Ser or Thr for Gly.
Selective cleavage of Tyr-|-Gly bond in picornavirus polyprotein.
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
RNA-directed RNA polymerase Chain: A
Molecule details ›
Chain: A
Length: 466 amino acids
Theoretical weight: 53 KDa
Source organism: Coxsackievirus B3
Expression system: Escherichia coli
UniProt:
  • Canonical: P03313 (Residues: 1724-2185; Coverage: 21%)
Sequence domains: Viral RNA-dependent RNA polymerase
Structure domains:

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID29
Spacegroup: P43212
Unit cell:
a: 74.74Å b: 74.74Å c: 289.05Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.2 0.198 0.25
Expression system: Escherichia coli