PDBe 3i34

X-ray diffraction
1Å resolution

Proteinase K by LB Nanotemplate Method after high X-Ray dose on ID14-2 Beamline at ESRF

Source organism: Parengyodontium album
Entry authors: Pechkova E, Tripathi SK, Ravelli R, McSweeney S, Nicolini C

Function and Biology Details

Reaction catalysed:
Hydrolysis of keratin, and of other proteins with subtilisin-like specificity. Hydrolyzes peptide amides.
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Proteinase K Chain: X
Molecule details ›
Chain: X
Length: 279 amino acids
Theoretical weight: 28.93 KDa
Source organism: Parengyodontium album
  • Canonical: P06873 (Residues: 106-384; Coverage: 76%)
Gene name: PROK
Sequence domains: Subtilase family
Structure domains: Rossmann fold

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-2
Spacegroup: P43212
Unit cell:
a: 67.865Å b: 67.865Å c: 102.335Å
α: 90° β: 90° γ: 90°
R R work R free
0.206 0.206 0.22