Tags: Enzyme.
In enzymology a cysteine synthase (EC 2.5.1.47) is an enzyme that catalyzes the chemical reactionO3-acetyl-L-serine + hydrogen sulfide L-cysteine + acetateThus the two substrates of this enzyme are O3-acetyl-L-serine and hydrogen sulfide whereas its two products are L-cysteine and acetate.This enzyme belongs to the family of transferases specifically those transferring aryl or alkyl groups other than methyl groups.