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Key Documents

12-217

Sigma-Aldrich

Tyrosine Phosphopeptide

lyophilized, RRLIEDAEpYAARG

Synonym(s):

Phosphopeptide

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About This Item

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

product name

Tyrosine Phosphopeptide (RRLIEDAEpYAARG],

manufacturer/tradename

Upstate®

Quality Level

technique(s)

activity assay: suitable

shipped in

wet ice

Biochem/physiol Actions

Protein Target: PTP-1B

Quality

Routinely evaluated by using the phosphopeptide as a substrate for PTP-1B, agarose (14-109) in conjunction with a non-radioactive malachite green phosphate detection system (17-125).

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

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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Substrate specificity of the protein tyrosine phosphatases
Zhang, Z. Y., et al
Proceedings of the National Academy of Sciences of the USA, 90, 4446-4450 (1993)
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)
J J Perez-Villar et al.
Molecular and cellular biology, 19(4), 2903-2912 (1999-03-19)
The negative regulation of T- or B-cell antigen receptor signaling by CD5 was proposed based on studies of thymocytes and peritoneal B-1a cells from CD5-deficient mice. Here, we show that CD5 is constitutively associated with phosphotyrosine phosphatase activity in Jurkat
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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