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skos:definition |
MSH: Addition of methyl groups. In histo-chemistry methylation is used to esterify carboxyl groups and remove sulfate groups by treating tissue sections with hot methanol in the presence of hydrochloric acid. (From Stedman, 25th ed),CSP: replacing an atom, usually a hydrogen atom, with a methyl group.,GO: The process in which a methyl group is covalently attached to a molecule. [GOC:mah],NCI: A chemical reaction in which a small molecule called a methyl group is added to other molecules. Methylation of proteins or nucleic acids may affect how they act in the body.,NCI: The covalent chemical or biochemical addition of a methyl group(s) to a compound. (NCI)
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