Adenosylmethionine Decarboxylase

**Definition:** An enzyme that catalyzes the decarboxylation of S-adenosyl-L-methionine to yield 5'-deoxy-(5'-),3-aminopropyl-(1), methylsulfonium salt. It is one of the enzymes responsible for the synthesis of spermidine from putrescine. EC 4.1.1.50.

**Tree numbers:** - D08.811.520.224.125.050

**Synonyms:** - S-Adenosylmethionine Decarboxylase