Protein tyrosine phosphatase SHP-2, also known as PTPN11 (GenBank accession number NM_002834), a.a. 224-529 (catalytic domain) with N-terminal GST-tag, MW=62 kDa, expressed in an E. coli expression system.
Specific activity: >1,000 pmol/min/ug
Background
Mammalian PTPases can be subdivided into 1 of 2 broad categories: transmembrane receptor PTPases and intracellular PTPases. PTPN11 is one of the 2 closely related mammalian intracellular PTPases whose sequences encode 2 tandem SRC homology 2 (SH2) domains that are located at the amino-terminal side of a single PTPase catalytic domain. This PTP is widely expressed in most tissues and plays a regulatory role in various cell signaling events that are important for a diversity of cell functions, such as mitogenic activation, metabolic control, transcription regulation, and cell migration.
Immunogen Region
224-529
Tag
N-terminal GST-tag
Formulation
25 mM Tris-HCl, pH 8.0, 75 mM NaCl, 0.05% Tween-20, 50% glycerol, 2 mM EDTA, 1 mM DTT, 10 mM glutathione.
Species
Human
Application
Useful for the study of enzyme kinetics and regulation, to dephosphorylate target substrates and for screening inhibitors.
Notes
50 mM HEPES, pH 7.4, 2 mM EDTA, 3 mM DTT, 100 mM NaCl, 50 mM pNPP.