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SUMS Weekly Office Hours

Have a question about a potential mass spec project?
Not sure exactly who to talk with at SUMS?

Drop in to our open virtual Zoom office on Thursday afternoons between 4:00 and 4:30 pm Pacific Time and get answers!

 

Mass Spec Fundamentals Seminars

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Thursday September 3, 2020 - SUMS Seminar Series

Fundamentals: An introduction to MS-based glycoproteomics

Nick Riley, PhD - Dept. of Chemistry, Stanford University
Zoom webinar, noon-1 pm
View recorded webinar

Download .pdf of slides

Protein glycosylation is a prevalent, yet heterogeneous co- and post-translational modification (PTM). Glycosylation mediates biophysical and biochemical interactions both intra- and extracellularly, with roles ranging from structural stability, immune regulation, cell proliferation, and intercellular dynamics (to name a few). Similar to other PTMs, e.g., phosphorylation and acetylation, mass spectrometry is the premier method to map site of glycosylation, but challenges inherent to the heterogeneity of glycosylation (in both the glycans that modify proteins and the sites that are modified) make glycoproteomics significantly more difficult. Here we will discuss fundamental mental characteristics of several classes of protein glycosylation, including N-glycosylation and two different types of O-glycosylation (O-GlcNAc vs. mucin-type/O-GalNAc). We will also cover standard workflows used in the field, covering protease considerations, enrichment options, LC-MS/MS methods, and well-established analysis tools. Importantly, we will address shortcomings and challenges that remain in glycoproteomics, too. Glycoproteomics data will be discussed in context with other -omics efforts, e.g., glycomics and standard proteomics, with the ultimate goal that MS researchers unfamiliar with the glyco world will be able to appreciate nuances required in glycosylation analysis.

Thursday July 23, 2020 - SUMS Seminar Series

Mass Spec Fundamentals: what you didn’t know you needed to know

Speaker: Ryan Leib, PhD
View recorded webinar
Download .pdf of slides
 

An encore performance of the inaugural seminar of our Fundamentals Series!  In case you missed it in-person, we are streaming and recording this essential presentation.  This seminar will cover the basic foundations of ion generation, manipulation, and detection in a typical LC/MS experiment, and why it matters to your research.  This is a great jumping on point for scientists new to mass spectrometery who are excited to learn a bit about the underlying physical processes that make these experiments possible.

Thursday April 16, 2020 - SUMS Seminar Series

Fundamentals: New proteomic approaches and essential data handling tips

Kratika Singhal, MS; Rowan Matney, BA
Zoom webinar, noon-1 pm
View recorded webinar
Download .pdf of slides

Get the inside scoop on both ends of proteomic workflows: from sample prep approaches for experiments like TMTPro-16plex, phosphoproteomics and SureQuant, to what to do with your data once the results are in.