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25 mM Tris-HCl (pH 8)
0.2 M NaCl
1% NP-40
1% deoxycholate
1 mM EDTA
To inhibit proteolysis, add the following protease inhibitors just before use:
1 mM PMSF
5 μg/ml pepstatin A
5 μg/ml leupeptin
5 μg/ml aprotinin
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