3mtv

X-ray diffraction
2.8Å resolution

The Crystal Structure of the PRRSV Nonstructural Protein Nsp1

Released:

Function and Biology Details

Reaction catalysed:
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).
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-109770 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Papain-like cysteine protease Chain: A
Molecule details ›
Chain: A
Length: 203 amino acids
Theoretical weight: 23.09 KDa
Source organism: Porcine reproductive and respiratory syndrome virus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: B2ZAB4 (Residues: 181-383; Coverage: 8%)
Sequence domains: Equine arteritis virus putative proteinase
Structure domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE BL-5A, PHOTON FACTORY BEAMLINE BL-17A
Spacegroup: P41212
Unit cell:
a: 100.895Å b: 100.895Å c: 81.685Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.204 0.2 0.261
Expression system: Escherichia coli BL21(DE3)