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EMD Millipore™ Proteinase K, Lyophilized Available on GSA/VA Contract for Federal Government customers only.

Highly active serine protease that exhibits broad cleavage specificity on native and denatured proteins and is widely used in the purification of DNA and RNA

Manufacturer:  EMD Millipore™ 706635

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Catalog No. 70-663-5

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  • Proteinase K is a highly active 28,904-Da serine protease isolated from the fungus Tritirachium album
  • Its activity is increased in the presence of denaturants such as SDS (1%) and elevated temperature (50-60°C)
  • The recommended working concentration is 50-100µg/mL for protein removal and enzyme inactivation, and up to 2mg/mL for tissue treatment
  • The Proteinase K, Lyophilized powder can be prepared as a 20mg/mL stock solution in water and stored in aliquots at -20°C
  • The enzyme is also available as a ready-to-use concentrated stock solution (600mAU/mL) that is convenient for routine use in most applications
  • 1mg of Proteinase K is the equivalent of 30mAU (AU = Anson unit)
  • The Novagen Proteinase K products are free of detectable DNase and RNase
Description & Specifications


Proteinase K, Lyophilized
+2°C to +8°C
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