Protein Tyrosine Phosphatases

**Definition:** 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.

**Tree numbers:** - D08.811.277.352.650.775 - D12.776.476.564

**Synonyms:** - Phosphotyrosine Phosphatase - Phosphotyrosyl Protein Phosphatase - PTPase - Protein-Tyrosine-Phosphatase - Tyrosyl Phosphoprotein Phosphatase - Protein-Tyrosine Phosphatase