S-Adenosyl-L-homocysteine (SAH) is the biosynthetic precursor to homocysteine. SAH is formed by the demethylation of S-adenosyl-L-methionine. Adenosylhomocysteinase...

Homocysteine (/ˌhoʊmoʊˈsɪstiːn/) or Hcy: is a non-proteinogenic α-amino acid. It is a homologue of the amino acid cysteine, differing by an additional...

reversible hydrolysis of S-adenosylhomocysteine to homocysteine and adenosine. S-adenosyl-L-homocysteine + H2O ⇌ L-homocysteine + adenosine AdoHcyase is...

2.1.1) that use SAM as a substrate produce S-adenosyl homocysteine as a product. S-Adenosyl homocysteine is a strong negative regulator of nearly all...

catalyzes the chemical reaction S-adenosyl-L-methionine + nicotinamide ⇌ {\displaystyle \rightleftharpoons } S-adenosyl-L-homocysteine + 1-methylnicotinamide....

reaction taking place is: S-adenosyl-L-methionine + an amine ⇌ {\displaystyle \rightleftharpoons } S-adenosyl-L-homocysteine + a methylated amine Thus...

\rightleftharpoons } S-adenosyl-L-homocysteine + methylarsonate (2) S-adenosyl-L-methionine + methylarsonite ⇌ {\displaystyle \rightleftharpoons } S-adenosyl-L-homocysteine...

\rightleftharpoons } S-adenosyl-L-homocysteine + sarcosine (1b) S-adenosyl-L-methionine + sarcosine ⇌ {\displaystyle \rightleftharpoons } S-adenosyl-L-homocysteine + N...

chemical reaction S-adenosyl-L-methionine + L-olivosyl-oleandolide ⇌ {\displaystyle \rightleftharpoons } S-adenosyl-L-homocysteine + L-oleandrosyl-oleandolide...

reaction demethylmenaquinol + S-adenosyl-L-methionine ⇌ {\displaystyle \rightleftharpoons } menaquinol + S-adenosyl-L-homocysteine The enzyme catalyses the...