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PTMScan® Videos and Webinars

The Potential of Proteomics: A Clear Path to Discovery - Part II

In this webinar, viewers will:

See a real life example of how PTMScan technology can facilitate translational discovery. In this short video, we describe how CST not only identified a major driver of NSCLC, which can respond to an FDA approved drug, but went a step further and developed an antibody that can be used to test for patients who might be candidates for this treatment. All thanks to the power of simplified proteomics

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The Potential of Proteomics: A Clear Path to Discovery

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BioPlex: a protein interaction network

In this webinar, viewers will:

  • Learn how affinity purifications can be performed at scale and the associated caveats.
  • Understand how an interaction network can be used to predict a protein’s cellular properties.

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Post-translational Modificaion: Antibody Enrichment for Mass Spectometry Based Proteomics

In this webinar, viewers will:

  • Learn about PTMScan – Antibody enrichment of post-translationally modified peptides for mass spectrometry-based proteomics
  • See how PTMScan using the K-e-GG ubiquitin remnant motif antibody has been applied to perform large-scale quantitative analysis of the ubiquitylome
  • Learn about proteomics offerings at CST including PTMScan kits and services.

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PTMScan® Proteomics of Post-translational Modifications

Learn more about how PTMScan® Proteomics Technology can advance your research by watching this tutorial video that outlines how this proprietary technology can be used in research studies to isolate and identify peptides containing post-translational modifications. This video also contains a specific example of how PTMScan® Technology enabled a recent publication in Science Signaling.

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Complementary Technologies for Phospho-Peptide Enrichment

The intrinsically low abundance of critical phosphorylation sites on key proteins requires enrichment techniques for thorough proteomic analysis and understanding of the underlying signaling events within a particular study. Watch this video to learn how two different methods, antibody based immunoaffinty enrichment, and immobilized metal affinity chromatography (IMAC) were employed to offer more complete coverage of the phosphoproteome.

  • PhosphoScan uses PTM specific and motif antibodies to enrich for different classes of phosphopeptides.
  • IMAC methods capture phosphopeptides based on their negative charge and the inherent coordination chemistry dictated by the immobilized metal ion.
  • Each method leads to the identification of thousands of phosphopeptides from drug-treated MKN-45 cells with little overlap between the two different techniques (~ 6%).

In conclusion, the data highlighted in this poster demonstrates that these two methods are highly complementary and are well-suited for comprehensive phosphopeptide analysis.

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Proteomics Meets Cellular Signaling: Exploring Post-translational Modifications by Mass Spectrometry

During this webinar, viewers will:

  • Learn about post-translational modifications and their role in cellular signaling.
  • Discover how antibody-based proteomics approaches can be applied to identify, study, and characterize known and novel modifications.
  • Hear specific examples of how these approaches are being applied to the dissection of cellular signaling pathways, target identification, validation, and biomarker discovery by industry and academic experts.

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