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Proteinase K, Tritirachium album

Catalog# 25,210

Product: Proteinase K

Description: Lyophilized from calcium acetate. Serine protease that exhibits strong proteolytic activity on a wide variety of denatured and native proteins of high molecular weight. Because of its rapid proteolytic inactivation of endogenous nucleases, it can be used for isolation of mRNA and high molecular weight DNA. DFP, Hg2+, and PMSF are inhibitors. Not inactivated by metal chelators, sulfhydryl reagents, TLCK, or TPCK.

Molecular Weight: 28,500

CAS Number: 39450-01-6.

Appearance: Lyophilized.

Purity: Activity: ≥30 units/mg dry weight. Specific activity: ≥40 units/mg protein. One unit is defined as the amount of enzyme that will liberate 1.0 mol tyrosine per minute at 37C, pH 7.5. Note: 1 KU = 1000 units.

Storage/Handling: Refrigerator (+4C)

Shipping: Express Courier

EG/EC Number:


Risk Statements: 36/37/38-42               

Safety Statements: 22-24-26-36/37


References: Watazu, Y., et al. 1993. J. Lab. Clin. Anal. 7, 81.; Lebherz, H.G., et al. 1986. Biochem. J. 233, 51.  

For laboratory use only

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