› 4wxp

X-ray diffraction
2.08Å resolution

X-ray crystal structure of NS3 Helicase from HCV with a bound fragment inhibitor at 2.08 A resolution

Released:
DOI: 10.2210/pdb4wxp/pdb
PDB entry 4wxp coloured by chain, front view.
PDB entry 4wxp coloured by chain, side view.
PDB entry 4wxp coloured by chain, top view.
Source organism: Hepacivirus hominis
Entry author: Davies DR

Function and Biology Details

Reactions catalysed: 
Nucleoside triphosphate + RNA(n) = diphosphate + RNA(n+1)
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:
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-541323 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Serine protease/helicase NS3 Chain: A
Molecule details ›
Chain: A
Length: 451 amino acids
Theoretical weight: 48.3 KDa
Source organism: Hepacivirus hominis
Expression system: Escherichia coli
UniProt:
  • Canonical: P26663 (Residues: 1206-1656; Coverage: 15%)
Sequence domains:
Structure domains:

Ligands and Environments

3 bound ligands:
Ligand NA 1 x NA
Ligand CL 1 x CL
Ligand 3VY 1 x 3VY
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU FR-E+ SUPERBRIGHT
Spacegroup: P3121
Unit cell:
a: 92.444Å b: 92.444Å c: 104.133Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.183 0.18 0.232
Expression system: Escherichia coli

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