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Human PTP1B protein (active)

Human PTP1B protein (active). GTX67148-pro

Cat No. GTX67148-pro

Application

Functional Assay

Species

Human
Package
100 μg ($259)

APPLICATION

Application Note

Specific activity is > 10000 units/mg, and is defined as the amount of enzyme that hydrolyze 1.0 nmole of p-nitrophenyl phosphate (pNPP) per minute at pH 7.5 at 37ºC.

PROPERTIES

Form

Liquid

Buffer

25 mM Tris-HCl (pH 7.5) with 2 mM beta-mercaptoethanol, 1 mM EDTA, 1 mM DTT, 20% glycerol.

Storage

Store as concentrated solution. Centrifuge briefly prior to opening vial. For short-term storage (1-2 weeks), store at 4ºC. For long-term storage, aliquot and store at -20ºC or below. Avoid multiple freeze-thaw cycles.

Concentration

1 mg/ml

Region/Sequence

Length: 321 a.a. Sequence: MEMEKEFEQI DKSGSWAAIY QDIRHEASDF PCRVAKLPKN KNRNRYRDVS PFDHSRIKLH QEDNDYINAS LIKMEEAQRS YILTQGPLPN TCGHFWEMVW EQKSRGVVML NRVMEKGSLK CAQYWPQKEE KEMIFEDTNL KLTLISEDIK SYYTVRQLEL ENLTTQETRE ILHFHYTTWP DFGVPESPAS FLNFLFKVRE SGSLSPEHGP VVVHCSAGIG RSGTFCLADT CLLLMDKRKD PSSVDIKKVL LEMRKFRMGL IQTADQLRFS YLAVIEGAKF IMGDSSVQDQ WKELSHEDLE PPPEHIPPPP RPPKRILEPH N

Expression System

E.coli

Purity

> 95% by SDS-PAGE.

Conjugation

Unconjugated

Note

For In vitro laboratory use only. Not for any clinical, therapeutic, or diagnostic use in humans or animals. Not for animal or human consumption.

TARGET

Synonyms

protein tyrosine phosphatase non-receptor type 1 , PTP1B

Background

The protein encoded by this gene is the founding member of the protein tyrosine phosphatase (PTP) family, which was isolated and identified based on its enzymatic activity and amino acid sequence. PTPs catalyze the hydrolysis of the phosphate monoesters specifically on tyrosine residues. Members of the PTP family share a highly conserved catalytic motif, which is essential for the catalytic activity. PTPs are known to be signaling molecules that regulate a variety of cellular processes including cell growth, differentiation, mitotic cycle, and oncogenic transformation. This PTP has been shown to act as a negative regulator of insulin signaling by dephosphorylating the phosphotryosine residues of insulin receptor kinase. This PTP was also reported to dephosphorylate epidermal growth factor receptor kinase, as well as JAK2 and TYK2 kinases, which implicated the role of this PTP in cell growth control, and cell response to interferon stimulation. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2013]

Database

Research Area

DATA IMAGES

Human PTP1B protein (active). GTX67148-pro

GTX67148-pro Image

3 μg of GTX67148-pro Human PTP1B protein (active) by SDS-PAGE under reducing condition and visualized by coomassie blue stain

REFERENCE

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REVIEW

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SDS
Glycerol.pdf