Protein-Tyrosine-Phosphatase

Medical Dictionary -> Protein-Tyrosine-Phosphatase

Protein-Tyrosine-Phosphatase


An enzyme group that specifically dephosphorylates phosphotyrosyl residues in selected proteins. Together with PROTEIN-TYROSINE KINASE, it regulates tyrosine phosphorylation and dephosphorylation in cellular signal transduction and may play a role in cell growth control and carcinogenesis. EC 3.1.3.48.


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