Tags: Enzyme.
In enzymology a L-3-cyanoalanine synthase (EC 4.4.1.9) is an enzyme that catalyzes the chemical reactionL-cysteine + hydrogen cyanide L-3-cyanoalanine + hydrogen sulfideThus the two substrates of this enzyme are L-cysteine and hydrogen cyanide whereas its two products are L-3-cyanoalanine and hydrogen sulfide.This enzyme belongs to the family of lyases specifically the class of carbon-sulfur lyases.