inhibition of L-serine hydro-lyase (adding homocysteine)
inhibition of l-serine hydro-lyase (adding homocysteine)
inhibition of L-serine hydro-lyase (adding homocysteine; L-cystathionine-forming)
inhibition of l-serine hydro-lyase (adding homocysteine; l-cystathionine-forming)