3o8c

X-ray diffraction
2Å resolution

Visualizing ATP-dependent RNA Translocation by the NS3 Helicase from HCV

Released:

Function and Biology Details

Reactions catalysed:
Hydrolysis of four peptide bonds in the viral precursor polyprotein, commonly with Asp or Glu in the P6 position, Cys or Thr in P1 and Ser or Ala in P1'.
NTP + H(2)O = NDP + phosphate
ATP + H(2)O = ADP + phosphate
Biochemical function:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-189301 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct RNA molecule
Macromolecules (2 distinct):
HCV NS3 protease/helicase Chains: A, B
Molecule details ›
Chains: A, B
Length: 666 amino acids
Theoretical weight: 70.87 KDa
Source organism: Hepatitis C virus subtype 1b
Expression system: Escherichia coli
UniProt:
  • Canonical: Q99AU2 (Residues: 1029-1657; Coverage: 21%)
Sequence domains:
Structure domains:
RNA (5'-R(P*UP*(5BU)P*UP*UP*UP*U)-3') Chain: C
Molecule details ›
Chain: C
Length: 6 nucleotides
Theoretical weight: 1.87 KDa
Source organism: Hepatitis C virus subtype 1b
Expression system: Not provided

Ligands and Environments

2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.2
Spacegroup: P212121
Unit cell:
a: 91.699Å b: 110.166Å c: 142.939Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.2 0.2 0.232
Expression systems:
  • Escherichia coli
  • Not provided