2016年1月31日星期日

How to buy S-Adenosyl-L-methionine


Product name:S-Adenosyl-L-methionine
CAS:29908-03-0
Molecular Formula:C15H24N6O5S
Formula Weight:400.45
Description:
 S-Adenosyl methionine (SAM, SAMe, SAM-e) is a common co-substrate involved in methyl group transfers.  Transmethylation, transsulfuration, and aminopropylation are the metabolic pathways that use SAM. Although these anabolic reactions occur throughout the body, most SAM is produced and consumed in the liver.[1]
The methyl group (CH3) attached to the methionine sulfur atom in SAM is chemically reactive. This allows donation of this group to an acceptor substrate in transmethylation reactions. More than 40 metabolic reactions involve the transfer of a methyl group from SAM to various substrates such as nucleic acids, proteins, and lipids.
In bacteria, SAM is bound by the SAM riboswitch, which regulates genes involved in methionine or cysteine biosynthesis.
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