Methionine decarboxylase

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In enzymology, a methionine decarboxylase (EC 4.1.1.57) is an enzyme that catalyzes the chemical reaction

L-methionine \rightleftharpoons 3-methylthiopropanamine + CO2

Hence, this enzyme has one substrate, L-methionine, and two products, 3-methylthiopropanamine and CO2.

This enzyme belongs to the family of lyases, specifically the carboxy-lyases, which cleave carbon-carbon bonds. The systematic name of this enzyme class is L-methionine carboxy-lyase (3-methylthiopropanamine-forming). Other names in common use include L-methionine decarboxylase, and L-methionine carboxy-lyase.

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The CAS registry number for this enzyme class is 37290-50-9.

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