› 4fon

X-ray diffraction
1.05Å resolution

High Energy Remote SAD structure solution of Proteinase K from the 37.8 keV Tellurium K edge

Released:
DOI: 10.2210/pdb4fon/pdb
PDB entry 4fon coloured by chain, front view.
PDB entry 4fon coloured by chain, side view.
PDB entry 4fon coloured by chain, top view.
Source organism: Parengyodontium album
Entry author: Jakoncic J

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
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-139275 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Proteinase K Chain: A
Molecule details ›
Chain: A
Length: 279 amino acids
Theoretical weight: 28.96 KDa
Source organism: Parengyodontium album
UniProt:
  • Canonical: P06873 (Residues: 106-384; Coverage: 76%)
Gene name: PROK
Sequence domains: Subtilase family
Structure domains: Peptidase S8/S53 domain

Ligands and Environments

5 bound ligands:
Ligand CA 1 x CA
Ligand TE 1 x TE
Ligand O 5 x O
Ligand EDO 2 x EDO
Ligand SO4 2 x SO4
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID15C, NSLS BEAMLINE X6A
Spacegroup: P43212
Unit cell:
a: 68.18Å b: 68.18Å c: 102.688Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.113 0.112 0.131

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