Protein tyrosine phosphatase type IVA 3 (PTP4A3)

Protein tyrosine phosphatase which stimulates progression from G1 into S phase during mitosis. Enhances cell proliferation, cell motility and invasive activity, and promotes cancer metastasis.

May be involved in the development of cardiac hypertrophy by inhibiting intracellular calcium mobilization in response to angiotensin II. .