A cocktail of four protease inhibitors with broad specificity for the inhibition of aspartic-, cysteine-, metallo-, and serine-proteases. Recommended for fungal and yeast cell extracts. Each vial contains 100 mM AEBSF, HCl, 1.5 mM E-64, 2 mM Pepstatin A, and 500 mM 1,10-Phenanthroline. Supplied with a data sheet. Note: 1 set = 5 x 1 ml.