1hav

X-ray diffraction
2Å resolution

HEPATITIS A VIRUS 3C PROTEINASE

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.
NTP + H(2)O = NDP + phosphate
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assemblies composition:
hetero dimer (preferred)
monomeric
Assembly name:
PDBe Complex ID:
PDB-CPX-140226 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Protease 3C Chain: A
Molecule details ›
Chain: A
Length: 217 amino acids
Theoretical weight: 23.9 KDa
Source organism: Hepatovirus A
Expression system: Escherichia coli
UniProt:
  • Canonical: P08617 (Residues: 1520-1736; Coverage: 10%)
Sequence domains: 3C cysteine protease (picornain 3C)
Structure domains: Trypsin-like serine proteases
Protease 3C Chain: B
Molecule details ›
Chain: B
Length: 217 amino acids
Theoretical weight: 23.95 KDa
Source organism: Hepatovirus A
Expression system: Escherichia coli
UniProt:
  • Canonical: P08617 (Residues: 1520-1736; Coverage: 10%)
Sequence domains: 3C cysteine protease (picornain 3C)
Structure domains: Trypsin-like serine proteases

Ligands and Environments

1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P1
Unit cell:
a: 53.6Å b: 53.55Å c: 53.2Å
α: 99.08° β: 129° γ: 103.31°
R-values:
R R work R free
0.211 0.211 0.265
Expression system: Escherichia coli