Post-Translational Modification Proteomics Analysis
Post-translational modification proteomics analysis refers to the analysis of proteins with post-translational modifications at the omics level. Baitai Pack Biotechnology provides mass spectrometry-based services.Post-translational modification proteomics analysisservices.
Post-translational modification proteome
The post-translational modification proteome refers to proteins with post-translational modifications at the whole level of cells or tissues. Protein post-translational modifications (PTMs) are covalent processing events that occur during or after protein translation. These modifications alter the properties of proteins by adding modifying groups to one or more amino acid residues or by proteolytic removal of groups, thus regulating protein function. Proteins that undergo post-translational modifications are known as post-translationally modified proteins. Currently known protein post-translational modifications mainly include glycosylation, phosphorylation, acetylation, ubiquitination, disulfide bond pairing, methylation, and S-nitrosylation, among others.
Post-translational modification proteomics analysis
Post-translational modification proteomics analysis
Protein post-translational modifications are important ways to affect protein function and ultimately regulate entire cellular processes, being indispensable in almost every cellular process. Analyzing and identifying post-translationally modified proteins is significant for revealing protein functions and gaining deeper insights into various physiological phenomena. Most post-translationally modified proteins exist in low stoichiometry and abundance, limiting their detection in whole cell lysates. Therefore, to characterize post-translationally modified proteins within the scope of proteomics, purification methods are necessary to isolate modified proteins and peptides for subsequent analysis. Mass spectrometry is generally used for subsequent analysis, allowing for qualitative and quantitative studies of the post-translational modification proteome.
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