Protein Extraction- Prevents degradation of proteins during cell lysis and extraction. Enzyme Studies- Used to study protease activity by selectively inhibiting serine proteases. Biochemistry & Molecular Biology Labs- Common component in lysis buffers and protein purification protocols. Cell Biology Research- Protects proteins in cell culture experiments.

To inhibit proteases and protect proteins from degradation during experimental procedures.

Chemical name- Phenylmethanesulfonyl fluoride. Nature- Colorless to pale yellow solid. Solubility- Soluble in organic solvents (like ethanol methanol) limited solubility in water. PMSF is a serine protease inhibitor meaning it blocks enzymes that break down proteins.