X-ray diffraction
2.23Å resolution

Structure of PIN-domain protein (VapC4 toxin) from Pyrococcus horikoshii determined at 2.2 A resolution


Function and Biology Details

Biochemical function:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Ribonuclease VapC4 Chains: A, B
Molecule details ›
Chains: A, B
Length: 149 amino acids
Theoretical weight: 17.21 KDa
Source organism: Pyrococcus horikoshii OT3
Expression system: Escherichia coli
  • Canonical: O58236 (Residues: 1-149; Coverage: 100%)
Gene names: PH0500, vapC4
Structure domains: 5'-nuclease

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU ULTRAX 18
Spacegroup: P21
Unit cell:
a: 51.97Å b: 45.26Å c: 53.62Å
α: 90° β: 104.75° γ: 90°
R R work R free
0.21 0.207 0.259
Expression system: Escherichia coli