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Crystal structure of proteinase K from Engyodontium album

X-ray diffraction
2.3Å resolution
PDB entry 5b1e coloured by chain, front view.
PDB entry 5b1e coloured by chain, side view.
PDB entry 5b1e coloured by chain, top view.
Source organism: Parengyodontium album
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Proteinase K
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Multimeric state: monomeric
Accessible surface area: 10581.91 Å2
Buried surface area: 93.51 Å2
Dissociation area: 46.76 Å2
Dissociation energy (ΔGdiss): 11.52 kcal/mol
Dissociation entropy (TΔSdiss): 0.05 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-139275

Macromolecules

Proteinase K
Chain: A
Length: 279 amino acids
Theoretical weight: 28.96 KDa
Source organism: Parengyodontium album
Expression system: Parengyodontium album
UniProt:
  • Canonical: P06873 (Residues: 106-384; Coverage: 76%)
Gene name: PROK
Pfam: Subtilase family
InterPro:
CATH: Peptidase S8/S53 domain
Proteinase K in PDB entry 5b1e, assembly 1, front view.
Proteinase K in PDB entry 5b1e, assembly 1, side view.
Proteinase K in PDB entry 5b1e, assembly 1, top view.
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