PTP1B (1-321)/PTPN1 Active from mouse, recombinant, expressed in E. coli, >=90% (SDS-PAGE)

PTP1B (1-321)/PTPN1 Active from mouse, recombinant, expressed in E. coli, >=90% (SDS-PAGE)

Stock Code: 3592634
Manufacturer Part No: SRP0213-20UG
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Application

Useful for the study of enzyme kinetics, regulation, to dephosphorylate target substrates and for screening inhibitors.

General description

Protein tyrosine phosphatase, Catalytic domain, (amino acids 1-321), with N-terminal GST tag, MW = 63.3 kDa, expressed in an E. coli expression system.

Physical form

Formulation: recombinant proteins were eluted in 25 mM Tris-HCL, 75 mM NaCl, pH 8.0, 0.05% Tween, 10 mM glutathione, 1 mM DTT and 50% glycerol.

Preparation Note

Thaw on ice. Upon first thaw, briefly spin tube containing enzyme to recover full content of the tube. Aliquot enzyme into single use aliquots. Store remaining undiluted enzyme in aliquots at -70°C. Note: Enzyme is very sensitive to freeze/thaw cycles.

Unit Definition

One unit will hydrolyze 1 nmol p-nitrophenyl phosphate per minute at pH 7.4 and 30°C.

ManufacturerSIGMA-ALDRICH
Formaqueous solution
Assay≥90% (SDS-PAGE)

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