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Sigma-Aldrich

Threonine Phosphopeptide

lyophilized powder, K-R-pT-I-R-R

Synonym(s):

Phosphopeptide K-R, Phosphopeptide K-R-pT-I-R-R, Threonine Phosphopeptide

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About This Item

UNSPSC Code:
12352204
eCl@ss:
32160405
NACRES:
NA.41

product name

Threonine Phosphopeptide (K-R-pT-I-R-R),

manufacturer/tradename

Upstate®

Quality Level

technique(s)

activity assay: suitable (kinase)

shipped in

wet ice

Biochem/physiol Actions

Protein Target: PP2A

Quality

Routinely evaluated by using this phosphopeptide as a substrate for PP2A (14-111) using the PP2A Immunoprecipitation Phosphatase Assay Kit (17-313). Testing may also be performed using the Ser/Thr Phosphatase Assay Kit 1 (17-127).

Physical form

Lyophilized powder

Storage and Stability

Lyophilized: Stable for 2 years at 4°C . Rehydrated: Stable for 1 year at -20°C.

Legal Information

UPSTATE is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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P Agostinis et al.
European journal of biochemistry, 205(1), 241-248 (1992-04-01)
p34cdc2 kinase, a critical regulator of the cell cycle, has been shown to recognize the consensus sequence S/TP in proteins such as histone H1, the retinoblastoma gene product RB and the carboxyl-terminal domain of eukaryotic RNA polymerase II. Using phosphorylated
M F Santoro et al.
The Journal of biological chemistry, 273(21), 13119-13128 (1998-05-28)
Although the available evidence suggests that whereas the caspase family plays a major role in apoptosis, they are not the sole stimulators of death. A random yeast two-hybrid screen of a lymphocyte cDNA library (using caspase-3 as the bait) found
Phosphorylated synthetic peptides as tools for studying protein phosphatases.
L A Pinna et al.
Biochimica et biophysica acta, 1222(3), 415-431 (1994-07-21)
A Donella-Deana et al.
Biochimica et biophysica acta, 1094(1), 130-133 (1991-08-13)
The four main classes of protein phosphatases (PP-1, 2A, 2B and 2C), although differing in their ability to dephosphorylate phosphopeptide substrates, invariably display a marked preference toward phosphothreonyl peptides over their phosphoseryl counterparts. Conversely, all the acidic and alkaline phosphatases
K W Harder et al.
The Biochemical journal, 298 ( Pt 2), 395-401 (1994-03-01)
The intracellular domain of human protein tyrosine phosphatase beta (HPTP beta) (44 kDa) was expressed in bacteria, purified using epitope 'tagging' immunoaffinity chromatography, and characterized with respect to kinetic profile, substrate specificity and potential modulators of enzyme activity. A chromogenic

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