Table

Table 6. Preparation of a general protease inhibitor cocktail

Inhibitor Trial working concentration Stock (100X) concentration Recipe Usea Target protease type
AEBSF <1 mM 20 mM 239.5 mg/10 mL H2O (100 mM) 4 mL Serine proteases
EDTA 1-10 mM 100 mM 19 mg/100 mL H2O (0.5 M) 4 mL Metallo proteases
Leupeptin 10-100 μM 2 mM 18.9 mg/2 mL H2O (20 mM) 2 mL Cysteine/serine proteases
Pepstatin 1 μM 100 μM 6.8 mg/10 mL methanol (1 mM) 2 mL Aspartic proteases
(Reprinted from Simpson 2003; data, in part, from Calbiochem 1998.)
aMix the inhibitor solutions and bring to a final volume of 20 mL with H2O or appropriate aqueous buffer. The resulting solution, 20 mL of a stock 100X protease inhibitor cocktail, can be aliquoted into microcentrifuge tubes and stored at −20ºC until required.
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  1. doi:10.1101/pdb.tab6top79 Cold Spring Harb Protoc 2010: pdb.tab6top79-

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