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|Tested species reactivity||Human|
|Host / Isotype||E.coli|
|Storage buffer||tris HCl, pH 8.0, with 50% glycerol, 1mM DTT, 2mM EDTA, 0.01M L-glutathione, 0.05% Tween 20, 75mM NaCl|
|Tested Applications||Dilution *|
|Control (Ctrl)||Assay dependent|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
T-cell protein tyrosine phosphatase (TC-PTP), also known as PTPT and PTPN2, is an enzyme that removes phosphate groups covalently attached to tyrosine residues in proteins. This enzyme has two C-terminal end splice variants with distinctly different subcellular localizations. The shorter 45 kilodalton isoform is exclusively nuclear in resting cells, but redistrubutes to the cytosol upon stimulation with growth factors and cellular stress. The longer 48 kilodalton isoform is exclusively found in the endoplasmic reticulum 3 and seems to have distinctly different physiologic substrates from the smaller isoform. Although found in many cell types and tissues, TC-PTP is particularly prominent in hemopoietic cell types. Knockout mice lacking TC-PTP are born viable but die 3 to 5 weeks after birth of erythropoietic and lymphopoietic deficits 7 , indicating a critical role for TC-PTP in bone marrow maturation. TC-PTP will dephosphorylate a wide range of phosphoproteins, such as p52 Shc 6 and receptors for EGF 1 , Insulin 8 and growth hormone.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
PTPN2; T-cell protein tyrosine phosphatase
PTN2; PTPN2; PTPT; TC-PTP; TCELLPTP; TCPTP