Description:
Proteinase K is a broad substrate non-specific serine proteinase. It is very stable at pH 4-12. It was used on isolating mRNA, genomic DNA and digesting unwanted proteins during DNA and RNA preparations from different kinds of cells. It’s been used on glycoprotein modification and protein structure studies also. Proteinase K is active with SDS, urea and EDTA.
Store vial at 2-4ºC upon receipt. Dissolve and aliquot and store at -20ºC Recommended.
Expiration date is one year of powder and six months of sterile liquid at -20ºC to 4ºC. Use sterile filtration or add 0.5% NaN3 for liquid enzyme storage if keep it at 2-8ºC over a week.
