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"Convergence Culture" maps a new territory: where old and new media intersect, where grassroots and corporate media collide… Expand S-adenosylmethionine (SAM or AdoMet) is a biological sulfonium compound known as the major biological methyl donor in reactions… Expand The S-adenosylmethionine-dependent methyltransferase enzymes share little sequence identity, but incorporate a highly conserved… Expand Genome sequence analysis reveals that all organisms synthesize S‐adenosylmethionine (AdoMet) and that a large fraction of all… Expand This paper describes the use of surface plasmon resonance (SPR) spectroscopy and self-assembled monolayers (SAMs) to determine… Expand Asymmetrical dimethylarginine (ADMA) is an endogenous nitric oxide synthase inhibitor. It is formed by protein arginine N… Expand The mean size of the gold (Au) core in the synthesis of dodecanethiolate-stabilized Au cluster compounds can be finely adjusted… Expand Methionine adenosyltransferase (MAT) is an ubiquitous enzyme that catalyzes the synthesis of S-adenosylmethionine from methionine… Expand A unified, biochemical hypothesis is proposed to explain the pathogenesis of homocysteinemia. This hypothesis is based on the… Expand Article de synthese sur le metabolisme de la methionine, acide amine essentiel, chez les mammiferes. Etude du schema metabolique… Expand