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Promega Proteinase K

Serine protease that exhibits a very broad cleavage specificity. Useful in many molecular biology applications.

Supplier:  Promega V3021

Catalog No. PR-V3021

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  • For General Digestion of Protein in Biological Samples
  • Active over a pH range of 4.3-12.0, in 0.5% SDS or 1% Triton(R) X-100
  • Purified to remove RNase and DNase activities


Lyophilized Powder
Cleaves Peptide bonds adjacent to the Carboxylic group of Aliphatic and Aromatic Amino Acids, useful for general digestion of Protein in biological samples
-30°C to -10°C
100 mg
50 to 100 μg/mL
4.3 to 12
50mM Tris HCl (pH 8), 10mM CaCl2
Tritirachium album limber
Proteinase K
PMSF (1) or DFP


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