Term Name:	cystathionine beta-synthase activity
Synonyms:	beta-thionase activity, L-serine hydro-lyase (adding homocysteine), L-serine hydro-lyase (adding homocysteine; L-cystathionine-forming), methylcysteine synthase activity, serine sulfhydrase activity, serine sulfhydrylase activity
Definition:	Catalysis of the reaction: L-serine + L-homocysteine = cystathionine + H2O.
Ontology:	GO: Molecular Function [GO:0004122]    QuickGO    AmiGO