The nuclear isoform of T cell protein tyrosine phosphatase (TC-PTP) referred as TC45 (or TC-PTPa) dephosphorylates p-STAT1 dimer in the nucleus. It can also dephosphorylate p-JAK1/3 in IFNG stimulated cells.
ten Hoeve, J,
de Jesus Ibarra-Sanchez, M,
protein tyrosine phosphatase activity of PTPN2-1 [nucleoplasm]