Dual specificity phosphatase that dephosphorylates MAP kinase FUS3 on both a Tyr and a Ser or Thr. Has a role in adaptation to pheromone. H2O + O-phospho-L-tyrosyl-[protein] = L-tyrosyl-[protein] + phosphate By pheromone. Present with 538 molecules/cell in log phase SD medium. Belongs to the protein-tyrosine phosphatase family. Non-receptor class dual specificity subfamily.