PTPβ, GST-tag Recombinant

PTPβ, GST-tag Recombinant
Artikelnummer
BPS30042
Verpackungseinheit
50 µg
Hersteller
BPS Bioscience

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Encompassing Amino Acids: 1675-1996

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

Assay Conditions: 20 mM HEPES, pH 7.2, 100 mM NaCl, 2 mM EDTA, 1 mM DTT, 1 mM pNPP and PTPβ. Assay was done at 30°C for 5 minutes, and the reaction was monitored at 405 nm continuously. Specific activity was calculated based on ε pNPP= 18,000 M-1cm-1.

Background: Plays an important role in blood vessel remodeling and angiogenesis. Not necessary for the initial formation of blood vessels, but is essential for their maintenance and remodeling. Can induce dephosphorylation of TEK/TIE2, CDH5/VE-cadherin and KDR/VEGFR-2. Regulates angiopoietin-TIE2 signaling in endothelial cells. Acts as a negative regulator of TIE2, and controls TIE2 driven endothelial cell proliferation, which in turn affects blood vessel remodeling during embryonic development and determines blood vessel size during perinatal growth. Essential for the maintenance of endothelial cell contact integrity and for the adhesive function of VE-cadherin in endothelial cells.

Description: Protein tyrosine phosphatase PTPβ (beta), also known as PTPRB (GenBank accession No. X54131), a.a. 1675-1996 (catalytic domain) with N-terminal GST-tag, MW=63.7 kDa, expressed in an E. coli expression system.

Format: Aqueous buffer solution

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

Genbank: X54131

Storage Stability: >12 months at -80°C

Tags: N-terminal GST-tag

Uniprot: P23467

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

Warnings: Avoid freeze/thaw cycles.

Biosafety Level: Not applicable (BSL-1)

References: 1. I. K. Lund et al., J Biol Chem. 2004, 279: 24226-35.
2. G.H. Peters et al., Biochimie. 2003, 85: 527-34.
Mehr Informationen
Artikelnummer BPS30042
Hersteller BPS Bioscience
Hersteller Artikelnummer 30042
Green Labware Nein
Verpackungseinheit 50 µg
Mengeneinheit STK
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