Source:http://linkedlifedata.com/resource/umls/id/C0036002
MSH: Physiologic methyl radical donor involved in enzymatic transmethylation reactions and present in all living organisms. It possesses anti-inflammatory activity and has been used in treatment of chronic liver disease. (From Merck, 11th ed),CSP: physiologic methyl radical donor involved in enzymatic transmethylation reactions and present in all living organisms; possesses anti-inflammatory activity and has been used in treatment of chronic liver disease.,NCI: The active sulfonium form of methionine that is formed when methionine reacts with ATP and which acts as a methyl group donor in various transmethylation reactions.