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Related Concept Videos

Peptide Identification Using Tandem Mass Spectrometry01:33

Peptide Identification Using Tandem Mass Spectrometry

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Tandem mass spectrometry, also known as MS/MS or MS2, is an analytical technique that employs two mass analyzers. Essentially it is a series of mass spectrometers that helps isolate a particular biomolecule and then helps study its chemical properties.
This technique helps gather information regarding the protein from which the peptide was obtained and to study the peptides’ amino acid sequence. Identifying peptides from a complex mixture is an important component of the growing field of...
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Proteomics01:33

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A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
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Sample Preparation and Relative Quantitation using Reductive Methylation of Amines for Peptidomics Studies
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Current peptidomics: applications, purification, identification, quantification, and functional analysis.

David C Dallas1, Andres Guerrero, Evan A Parker

  • 1Department of Food Science and Technology, University of California, Davis, One Shields Avenue, Davis, CA, USA; Foods for Health Institute, University of California, Davis, One Shields Avenue, Davis, CA, USA.

Proteomics
|November 29, 2014
PubMed
Summary
This summary is machine-generated.

Peptidomics, the study of protein fragments, offers insights into digestion and biomarker discovery. This review explores methods for peptide extraction, detection, and analysis for understanding their biological roles.

Keywords:
Functional predictionMSPeptidomicsQuantitationStructure predictionSystems biology

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Area of Science:

  • Biochemistry
  • Proteomics
  • Analytical Chemistry

Background:

  • Peptidomics is an emerging field focused on endogenous protein fragments.
  • These peptides play crucial roles in biological functions, with both positive and negative impacts.
  • Understanding these peptides is vital for advancing biological and medical research.

Purpose of the Study:

  • To review the applications of peptidomics in understanding digestion.
  • To highlight the identification of functional peptides and biomarkers.
  • To provide a comprehensive overview of current peptidomics techniques.

Main Methods:

  • Discusses various techniques for peptide and glycopeptide extraction (analytical and preparative scales).
  • Explores available options for peptide detection using Mass Spectrometry (MS).
  • Compares algorithms for peptide sequence determination and quantification methods (analytical and computational).

Main Results:

  • Reviews statistical analysis techniques for peptidomics data.
  • Explores methods for sequence mapping, enzyme prediction, and peptide function/structure prediction.
  • Highlights the utility of peptidomics in identifying functional peptides and disease biomarkers.

Conclusions:

  • Peptidomics is a powerful tool for elucidating biological processes and identifying novel biomarkers.
  • The review synthesizes current methodologies, aiding researchers in the field.
  • Advances in peptidomics contribute to a deeper understanding of health and disease states.