4fvb

X-ray diffraction
1.9Å resolution

Crystal structure of EV71 2A proteinase C110A mutant

Released:
Model geometry
Fit model/data
Source organism: Enterovirus A71

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
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-109085 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
2A proteinase Chain: A
Molecule details ›
Chain: A
Length: 152 amino acids
Theoretical weight: 16.71 KDa
Source organism: Enterovirus A71
Expression system: Escherichia coli
UniProt:
  • Canonical: A9XG43 (Residues: 863-1012; Coverage: 7%)
Sequence domains: Picornavirus core protein 2A
Structure domains: Trypsin-like serine proteases

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: RIGAKU MICROMAX-007 HF
Spacegroup: C2
Unit cell:
a: 86.613Å b: 44.265Å c: 52.036Å
α: 90° β: 112.58° γ: 90°
R-values:
R R work R free
0.197 0.194 0.24
Expression system: Escherichia coli