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PTMScan® Phospho-Ser/Thr Motif [pS/T] Kit
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PTMScan® Phospho-Ser/Thr Motif [pS/T] Kit #25081

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PTMScan® Phospho-Ser/Thr Motif [pS/T] Kit: Image 1
The chart shows the underlying distribution of phospho-peptide motifs in a PhosphoScan® LC-MS/MS experiment using 581 nonredundant Lys-C/tryptic peptides generated from 293T cells treated with Calyculin A #9902 (10 nM, 30 min) and immunoprecipitated with PTMScan® Phospho-Ser/Thr Motif [pS/T] Immunoaffinity Beads.
PTMScan® Phospho-Ser/Thr Motif [pS/T] Kit: Image 2
The Motif Logo was generated from a PhosphoScan® LC-MS/MS experiment using 581 nonredundant Lys-C/tryptic peptides generated from 293T cells treated with Calyculin A #9902 (10 nM, 30 min) and immunoprecipitated using PTMScan® Phospho-Ser/Thr Motif [pS/T] Immunoaffinity Beads. The Motif Logo demonstrates the relative abundance of amino acids in a given position within this data set.
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Product Includes Volume (with Count)
PTMScan(R) Phospho-Ser/Thr Motif [pS/T] IAP Beads 10 x 80 µl
PTMScan® IAP Buffer (10X) 9993 10 x 600 µl
PTMScan® Limited Use License 1 x 1 ea

Product Usage Information

Cells are lysed in a urea-containing buffer, cellular proteins are digested by proteases, and the resulting peptides are purified by reversed-phase solid-phase extraction. Peptides are then subjected to immunoaffinity purification using a PTMScan® Motif Antibody conjugated to protein A agarose beads. Unbound peptides are removed through washing, and the captured PTM-containing peptides are eluted with dilute acid. Reversed-phase purification is performed on microtips to desalt and separate peptides from antibody prior to concentrating the enriched peptides for LC-MS/MS analysis. CST recommends the use of PTMScan® IAP Buffer #9993 included in the kit. A detailed protocol and Limited Use License allowing the use of the patented PTMScan® method are included with the kit.

Storage

Antibody beads supplied in IAP buffer containing 50% glycerol. Store at -20°C. Do not aliquot the antibody.

Product Description

PTMScan® Technology employs a proprietary methodology from Cell Signaling Technology (CST) for peptide enrichment by immunoprecipitation using a specific bead-conjugated antibody in conjunction with liquid chromatography (LC) tandem mass spectrometry (MS/MS) for quantitative profiling of post-translational modification (PTM) sites in cellular proteins. These include phosphorylation (PhosphoScan®), ubiquitination (UbiScan®), acetylation (AcetylScan®), and methylation (MethylScan®), among others. PTMScan® Technology enables researchers to isolate, identify, and quantitate large numbers of post-translationally modified cellular peptides with a high degree of specificity and sensitivity, providing a global overview of PTMs in cell and tissue samples without preconceived biases about where these modified sites occur. For more information on PTMScan® Proteomics Services, please visit https://www.cellsignal.com/services/index.html.

Background

As an integral part of the machinery of cellular function, proteins undergo regulation by a variety of post-translational modifications. One of the most prevalent and widely studied PTMs is Serine/Threonine phosphorylation. A few prominent kinases targeting a handful of substrate consensus motifs account for a majority of the tens of thousands of known and predicted sites on more than 13,000 human proteins (1-3). Cell Signaling Technology has developed phospho-Ser/Thr motif antibodies for proteomic profiling of kinase substrates. These include, among others, substrates of Akt, AMPK, MAPK, CDK, PKA, PKC, and CKII.
  1. Pearson, R.B. and Kemp, B.E. (1991) Methods Enzymol 200, 62-81.
  2. Rao, R.S. and Møller, I.M. (2012) Biochim Biophys Acta 1824, 405-12.
  3. Goel, R. et al. (2012) Mol Biosyst 8, 453-63.

Limited Uses

Except as otherwise expressly agreed in a writing signed by a legally authorized representative of CST, the following terms apply to Products provided by CST, its affiliates or its distributors. Any Customer's terms and conditions that are in addition to, or different from, those contained herein, unless separately accepted in writing by a legally authorized representative of CST, are rejected and are of no force or effect.

Products are labeled with For Research Use Only or a similar labeling statement and have not been approved, cleared, or licensed by the FDA or other regulatory foreign or domestic entity, for any purpose. Customer shall not use any Product for any diagnostic or therapeutic purpose, or otherwise in any manner that conflicts with its labeling statement. Products sold or licensed by CST are provided for Customer as the end-user and solely for research and development uses. Any use of Product for diagnostic, prophylactic or therapeutic purposes, or any purchase of Product for resale (alone or as a component) or other commercial purpose, requires a separate license from CST. Customer shall (a) not sell, license, loan, donate or otherwise transfer or make available any Product to any third party, whether alone or in combination with other materials, or use the Products to manufacture any commercial products, (b) not copy, modify, reverse engineer, decompile, disassemble or otherwise attempt to discover the underlying structure or technology of the Products, or use the Products for the purpose of developing any products or services that would compete with CST products or services, (c) not alter or remove from the Products any trademarks, trade names, logos, patent or copyright notices or markings, (d) use the Products solely in accordance with CST Product Terms of Sale and any applicable documentation, and (e) comply with any license, terms of service or similar agreement with respect to any third party products or services used by Customer in connection with the Products.

For Research Use Only. Not For Use In Diagnostic Procedures.
Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
AcetylScan is a trademark of Cell Signaling Technology, Inc.
MethylScan is a trademark of Cell Signaling Technology, Inc.
PhosphoScan is a trademark of Cell Signaling Technology, Inc.
PTMScan is a trademark of Cell Signaling Technology, Inc.
UbiScan is a trademark of Cell Signaling Technology, Inc.
Use of Cell Signaling Technology (CST) Motif Antibodies within certain methods (e.g., U.S. Patents No. 7,198,896 and 7,300,753) may require a license from CST. For information regarding academic licensing terms please have your technology transfer office contact CST Legal Department at [email protected] For information regarding commercial licensing terms please contact CST Pharma Services Department at [email protected]
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