obsolete regulation of cystathionine beta-synthase activity (obsolete GO:1904041)
regulation of L-serine hydro-lyase (adding homocysteine)
exact
regulation of L-serine hydro-lyase (adding homocysteine; L-cystathionine-forming)
exact
regulation of beta-thionase activity
exact
regulation of methylcysteine synthase activity
exact
regulation of serine sulfhydrase activity
exact
regulation of serine sulfhydrylase activity
exact
OBSOLETE. Any process that modulates the frequency, rate or extent of cystathionine beta-synthase activity.