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. 2022 May 13;3(2):101394. doi: 10.1016/j.xpro.2022.101394

Preparation of Extraction buffer I (containing 0.4 M NaCl)

Reagent Final concentration Amount
1 M HEPES pH 7.4 5 mM 5 μL
3 M KCl 2 mM 0.6 μL
0.5 M EDTA 2 mM 4 μL
5 M NaCl 0.4 M 80 μL
10% Triton-X-100 0.5% 50 μL
0.1 M PMSF 1 mM 10 μL

Adjust final volume to 1 mL with deionized water. Prepare fresh before every use. Store at 25°C for the day.