Protein Tyrosine Phosphatase Type IVA 1

**Semantic type:** Amino Acid, Peptide, or Protein|Enzyme

**Definition:** Protein tyrosine phosphatase type IVA 1 (173 aa, ~20 kDa) is encoded by the human PTP4A1 gene. This protein plays a role in protein dephosphorylation, cell cycle regulation and the positive regulation of both cell proliferation and cell motility.

**Synonyms:** - EC 3.1.3.48 - HH72 - PRL-1 - PRL1 - PTP(CAAXI) - PTP4A1 - PTPCAAX1 - Protein Tyrosine Phosphatase PTPCAAX1 - Protein Tyrosine Phosphatase Type IVA Member 1 - Protein Tyrosine Phosphatase-IVA1 - Protein-Tyrosine Phosphatase 4a1 - Protein-Tyrosine Phosphatase Of Regenerating Liver 1