Methylated
Methylated
Methylated (pronounced: meth-uh-ley-tid) is a term used in chemistry to describe a molecule that has been altered through the addition of a methyl group.
Etymology
The term "methylated" is derived from the Greek word "methy" meaning wine, and "hyle" meaning wood. This is in reference to wood alcohol or methanol, which is the simplest form of alcohol and contains a methyl group.
Definition
In chemistry, when a molecule is methylated, it means a methyl group (CH3) has been added to it. This process, known as methylation, can significantly change the properties and functions of a molecule. Methylation is a crucial part of many biological processes, including DNA methylation, protein methylation, and RNA methylation.
Related Terms
- Methyl group: A type of alkyl derived from methane, containing one carbon atom bonded to three hydrogen atoms — CH3.
- Methylation: The process of adding a methyl group to a molecule.
- DNA methylation: A biochemical process that is important for normal development in higher organisms. It involves the addition of a methyl group to the cytosine or adenine DNA nucleotides.
- Protein methylation: A post-translational modification of proteins in which an amino acid residue is methylated by a protein methyltransferase.
- RNA methylation: A process by which methyl groups are added to RNA molecules.
External links
- Medical encyclopedia article on Methylated
- Wikipedia's article - Methylated
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