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Lysine Acetylation ...
Lysine Acetylation Stoichiometry Analysis at the Proteome Level
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- Gil, Jeovanis (author)
- Lund University,Lunds universitet,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Biomarkörer och Epi,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,LUCC: Lund University Cancer Centre,Other Strong Research Environments,Biomarkers and epidemiology,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine
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- Encarnación-Guevara, Sergio (author)
- National Autonomous University of Mexico
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(creator_code:org_t)
- 2021-12-15
- 2022
- English 14 s.
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In: Methods in Molecular Biology. - New York, NY : Springer US. - 1064-3745 .- 1940-6029. ; 2420, s. 73-86
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Abstract
Subject headings
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- Lysine acetylation is a widespread posttranslational modification (PTM) in all kingdoms of live. A large number of proteins involved in most of biological pathways are targets of this PTM. The lysine acetylation is a reversible modification controlled by two main groups of enzymes, lysine acetyltransferases responsible for transferring the acetyl group of acetylCoA to the side chain of lysine residues and lysine deacetylases which effectively remove the acetyl tag. Dysregulation of enzymes that control acetylation and/or target proteins have been associated with a growing number of human pathologies. Lysine acetylation is largely a modification that occurs at low stoichiometry at its target sites. Here we describe a method to identify lysine acetylation sites and estimate their site occupancy at the proteome scale. The method relies on a high-resolution mass spectrometry-based proteomics approach, which includes a specific chemical acetylation reaction on unmodified lysine residues that carry heavy isotopes. The procedures described here have been applied to cell line cultures and to clinically relevant samples stored as both snap-frozen and formalin-fixed paraffin-embedded (FFPE) tissues.
Subject headings
- NATURVETENSKAP -- Biologi -- Biokemi och molekylärbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biochemistry and Molecular Biology (hsv//eng)
Keyword
- Cell lines
- FFPE tissue
- Frozen tissue
- Lysine acetylation
- Mass spectrometry-based proteomics
- N-acetoxysuccinimide-d3
- Stoichiometry
Publication and Content Type
- kap (subject category)
- ref (subject category)
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