Yeast is popular model organism, not just for genetic studies but also for biochemical studies of proteins and other macromolecules extracted from wild type and mutant yeast strains. However, due to their tough cell walls, a major challenge that r
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We describe a reliable method for the preparation of whole cell extracts from yeast or other cells using a cryogenic freezer mill that minimizes degradation and denaturation of proteins. The cell extracts are suitable for purification of functional protein complexes, proteomic analyses, co-immunoprecipitation studies and detection of labile protein modifications.