S-Adenosylmethionine is one of the most important activated methyl donors in cells and is widely involved in methyl-transfer reactions affecting DNA, RNA, proteins, lipids, and multiple classes of small molecules. Current understanding of methylation regulation has expanded from the level of ...
Betaine , also known as N,N,N-trimethylglycine, is a quaternary ammonium small molecule named after its first isolation from sugar beet. The molecule contains both a quaternary ammonium cationic center and a carboxylate anionic center, giving an overall zwitterionic (inner-salt) structure. This ...