4n0o

X-ray diffraction
2.65Å resolution

Complex structure of Arterivirus nonstructural protein 10 (helicase) with DNA

Released:

Function and Biology Details

Reactions catalysed:
Nucleoside triphosphate + RNA(n) = diphosphate + RNA(n+1)
Thiol-dependent hydrolysis of ester, thioester, amide, peptide and isopeptide bonds formed by the C-terminal Gly of ubiquitin (a 76-residue protein attached to proteins as an intracellular targeting signal).
ATP + H(2)O = ADP + phosphate
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-117862 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct DNA molecule
Macromolecules (2 distinct):
Helicase Chains: A, C, E, G
Molecule details ›
Chains: A, C, E, G
Length: 423 amino acids
Theoretical weight: 45.66 KDa
Source organism: Equine arteritis virus Bucyrus
Expression system: Escherichia coli
UniProt:
  • Canonical: P19811 (Residues: 2371-2772; Coverage: 13%)
Gene names: 1a-1b, rep
Sequence domains:
DNA Chains: B, D, F, H
Molecule details ›
Chains: B, D, F, H
Length: 7 nucleotides
Theoretical weight: 2.08 KDa
Source organism: Equine arteritis virus Bucyrus
Expression system: Not provided

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: P1
Unit cell:
a: 56.628Å b: 88.838Å c: 128.781Å
α: 81.74° β: 90.01° γ: 71.42°
R-values:
R R work R free
0.247 0.246 0.264
Expression systems:
  • Escherichia coli
  • Not provided