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Proteomics

Proteomics

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.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term...

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Related Experiment Video

Updated: Jun 29, 2025

Comprehensive Workflow of Mass Spectrometry-based Shotgun Proteomics of Tissue Samples

Comprehensive Workflow of Mass Spectrometry-based Shotgun Proteomics of Tissue Samples

Published on: November 13, 2021

The One Hour Human Proteome.

Lia R Serrano¹, Trenton M Peters-Clarke¹, Tabiwang N Arrey²

¹Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin, USA; Department of Biomolecular Chemistry, University of Wisconsin-Madison, Madison, Wisconsin, USA.

Molecular & Cellular Proteomics : MCP

|April 5, 2024

Summary

This summary is machine-generated.

Deep human proteome analysis is now possible in under an hour. This breakthrough utilizes advanced mass spectrometry, enabling rapid characterization of thousands of protein groups for comprehensive proteomic insights.

Keywords:

CRISPR data independent acquisition high throughput instrumentation mass spectrometry proteome proteomics single shot technology development

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Last Updated: Jun 29, 2025

Comprehensive Workflow of Mass Spectrometry-based Shotgun Proteomics of Tissue Samples

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Mass Spectrometry-Based Proteomics Analyses Using the OpenProt Database to Unveil Novel Proteins Translated from Non-Canonical Open Reading Frames

Mass Spectrometry-Based Proteomics Analyses Using the OpenProt Database to Unveil Novel Proteins Translated from Non-Canonical Open Reading Frames

Published on: April 11, 2019

Area of Science:

Proteomics
Mass Spectrometry
Biochemistry

Background:

Comprehensive analysis of the human proteome is crucial for understanding biological systems.
Previous proteomic studies were time-consuming, limiting throughput and accessibility.

Purpose of the Study:

To develop and validate a method for rapid, deep analysis of the human proteome.
To demonstrate the capability of a new mass spectrometer for expedited proteomic characterization.

Main Methods:

Utilized state-of-the-art sample preparation, chromatographic separations, and data analysis.
Employed the novel Orbitrap Astral mass spectrometer, featuring a quadrupole mass filter and Astral mass analyzer.
Implemented high-speed tandem mass spectrometry (200 Hz) in data-independent acquisition (DIA) and data-dependent acquisition (DDA) modes.

Main Results:

Achieved characterization of the human proteome in under 1 hour (56 min total analysis time).
Detected an average of 10,411 protein groups with a 1% false discovery rate in a 30-min analysis.
Acquired an average of 4319 MS1 scans and 438,062 tandem mass spectrometry scans per run.

Conclusions:

The 1-hour human proteome analysis is attainable with current technology.
The Orbitrap Astral mass spectrometer significantly enhances speed and depth in proteomic studies.
This advancement promises to accelerate discoveries in human biology and disease research.