PROTEINASE K Grade:BIOTECHNOLOGY GRADE CAS Number: 39450-01-6Synonym(s): Tritirachium Album, protease K, peptidase K, Tritirachium alkaline proteinase Molecular Weight: N/AMolecular Formula: N/A Storage Condition: FROZEN CodeSizePriceQuantity 0706-100MG 0706-500MG 0706-1G Lyophilized powder. Activity >30 units/mg. Proteinase K is a non-specific serine protease with a molecular weight of approximay 28 kDa. This enzyme exhibits high stability and activity in the presence of SDS, EDTA and urea, as well as over a wide pH range. Proteinase K is useful for the inactivation of nucleases during the isolation of DNA and RNA.