4nlt

X-ray diffraction
2.5Å resolution

Poliovirus Polymerase - S291P Loop Mutant

Released:

Function and Biology Details

Reactions catalysed:
Nucleoside triphosphate + RNA(n) = diphosphate + RNA(n+1)
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.
NTP + H(2)O = NDP + phosphate
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-136689 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
RNA-directed RNA polymerase Chain: A
Molecule details ›
Chain: A
Length: 461 amino acids
Theoretical weight: 53 KDa
Source organism: Human poliovirus 1 Mahoney
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P03300 (Residues: 1749-2209; Coverage: 21%)
Sequence domains: Viral RNA-dependent RNA polymerase
Structure domains:

Ligands and Environments

3 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 4.2.2
Spacegroup: P65
Unit cell:
a: 129.376Å b: 129.376Å c: 111.931Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.222 0.222 0.256
Expression system: Escherichia coli BL21(DE3)