Protease inhibitors

[Dima Klenchin]

Xylophone Victor <xvictor at mailchem.byu.edu> wrote:
:Hi all,
:
:I want to extract proteins after lysing the cells. I want to make
:protease inhibitor stock solutions. I would like to know in which
:solvents I should make the following protease inhibitor stocks.
:
:Benzamidine    
:Aprotinin
:Leupeptin

All are very well soluble in water. At -20C, benzamidine and 
aprotitnin stocks are stable forever, leupeptine is good 
for 3-6 month.

        - Dima