Phosphatase inhibitors are compounds that block or reduce the activity of phosphatases, which cleave phosphate groups from phosphorylated proteins. During cellular lysis, phosphatases can freely act on the proteins within a sample. Thus. broad-acting phosphatase inhibitor cocktails are important additives in protein preparations to preserve the phosphorylation state. Specific phosphatase inhibitors are also useful when studying cellular signaling pathways. These inhibitors can be further classified based on the specificity of the phosphatase family, such as alkaline phosphatase, Ser/Thr phosphatase, protein tyrosine phosphatase, and dual-specificity (Tyr and Ser/Thr) phosphatases. Well-known phosphatase inhibitors include okadaic acid and microcystins. Visit the supplier page for more information, including specificity and technical data.