| s-adenosylmethionine | <chemical> 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. It is an abundant protein of the retina and pineal gland that elicits experimental autoimmune uveitis, now known to be arrestin. Also a soluble heat stable antigens (195 kD) on the surface of Plasmodium falciparum that are responsible for antigenic heterogeneity. Chemical name: Adenosine, 5'-((3-amino-3-carboxypropyl)methylsulfonio)-5'-deoxy-, inner salt, (3S)- (22 Sep 2002) |
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| S-adenosylmethionine - tRNA ribosyltransferase-isomerase | <enzyme> Converts the queuosine precursor, 7-(aminomethyl)-7-deazaguanine (preq1) to epoxyqueuosine (oq) by attachment of an epoxycyclopentanediol moiety Registry number: EC 2.4.2.- Synonym: quea enzyme, quea gene product (26 Jun 1999) |
| S-adenosylmethionine-3,4-dihydroxy-5-polyprenylbenzoate-O-methyltransferase | <enzyme> Involved in ubiquinone biosynthesis Registry number: EC 2.1.1.- Synonym: 3,4-oh-5-ppb-o-me-transferase (26 Jun 1999) |
| S-adenosylmethionine-dedimethylamino-4-aminoanhydrotetracycline N-methyltransferase | <enzyme> Catalyses the dimethylation of dedimethylamino-4-aminoanhydrotetracycline to yield anhydrotetracycline Registry number: EC 2.1.1.- (26 Jun 1999) |
| S-adenosylmethionine-dependent phosphate methyltransferase | <enzyme> A membrane-bound, phosphorylated oligosaccharide-specific enzyme that selectively methylates the phosphate group of mannose-6-phosphate Registry number: EC 2.1.1.- Synonym: adomet-dependent phosphate methyltransferase, adomet-po4 methyltransferase, mannose-6-phosphate methyltransferase (26 Jun 1999) |
| S-adenosylmethionine-erythromycin O-methyltransferase | <enzyme> Converts erythromycin c to erythromycin a in the presence of s-adenosylmethionine Registry number: EC 2.1.1.- Synonym: erythromycin o-methyltransferase (26 Jun 1999) |
| S-adenosylmethionine-tocopherol methyltransferase | <enzyme> Catalyses methylation of positions 7 or 8 of the tocol ring, forming gamma-tocopherol (7,8-dimethyltocol); see also EC 2.1.1.95, which converts gamma-tocopherol to alpha-tocopherol (5,7,8-trimethyltocol) Registry number: EC 2.1.1.- Synonym: sam-tocopherol methyltransferase (26 Jun 1999) |
| S-adenosylmethionine-vitexin 2''-O-rhamnoside-7-O-methyltransferase | <enzyme> Catalyses the a-ring methylation of the flavonoid vitexin rhamnoside in oat leaves Registry number: EC 2.1.1.- Synonym: am-vr-methyltransferase, vitexin rhamnoside methyltransferase (26 Jun 1999) |
Synonyms : ASTA Medica Brand of Ademetionine Tosilate Disulfate, Ademetionine, Europharma Brand of Ademetionine, FO-1561, Gumbaral, Knoll Brand of Brand of Ademetionine Tosilate Disulfate, S Amet, S-Adenosylmethionine Sulfate Tosylate, Samyr, Ademetionine Europharma Brand
| S-adenosylmethionine |
Elevated levels of Phosphoethanolamine may result from inhibition of choline and acetylcholine synthesis due to impaired methionine metabolism involving methylation by S-adenosylmethionine (SAM).
Ãâó: www.always-youthful.com/definitions/s.shtml
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| S-adenosylmethionine |
SAM is what gives methyl groups to substances in the process called "methylation". Seventy percent of SAM's methylation duty goes to form creatine.
Ãâó: www.thoughtfulhouse.org/0405-conf-glossary.htm
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