From The School of Biomedical Sciences Wiki
Protein phosphatases are a key regulatory component of intracellular signal transduction. Protein phosphatases are enzymes that remove a phosphate group from a protein in order to switch it off, or activate it.
- ↑ Alberts, B, et al. (2008) Molecular Biology of the Cell, 5th Edition, New York:Garland Science, pp.895