Product of the Month

Proteinase K, NGS Grade

Proteinase K from Tritirachium album expressed recombinantly in Pichia pastoris

Proteinase K is a subtilisin-like serine protease with a broad substrate specificity. The enzyme degrades both terminal (exopeptidase activity) and internal (endopeptidase activity) peptide bonds.

The enzyme is active under wide range of reaction conditions, including elevated temperatures and presence of SDS. This recombinant enzyme is expressed in Pichia pastoris, and undergoes extensive purification to yield the highest quality product.

Icon POM 11-2021.jpg


  • Integrity of the isolated nucleic acids remains intact
  • Contains no endo-, exo- and ribonucleases
  • Solubility in water: ≥ 50 mg/m
  • DNA content: ≤ 0.1 pg/mg enzyme
  • Serin protease
  • Increased stability by Ca2+ (1 - 6 mM)
  • Activated by 0.2 - 1 % (w/v) SDS, 4 M urea
  • Active in the ph range: 4.0 – 12.0
    (optimum: 7.5 – 8,.)
  • Active in the temperature range 20 °C – 65 °C (maximum activity at 50 °C – 65 °C)
  • Inhibition by the following serine protease inhibitors: AEBSF, PMSF and DFP
  • Unaffected by metal-chelating agents and sulfhydryl inhibitors

Ordering Information:

 Cat. No.
Special Price*
Proteinase K recombinant,
min. 35 mAnson-U/mg, NGS grade
  25 mg
100 mg
500 mg
  43.00 €
113.00 €
509.00 €
  34.40 €
  90.40 €
407.20 €
*The special price is valid until November 30th,  2021  
Please Note:
The "Product of the Month" promotion is for all SERVA customers within the EU and cannot be combined with other discounts, promotions etc.

Here you will find further sample preparation products, e.g

Product of the Month November (PDF)  


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In detail you will find the following new products in catalog 2021:

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