Term Name: cysteine synthase activity
Synonyms: 3-O-acetyl-L-serine:hydrogen-sulfide 2-amino-2-carboxyethyltransferase activity, acetylserine sulfhydrylase activity, cysteine synthase activity, acting on O-acetyl-L-serine, cysteine synthetase activity, O(3)-acetyl-L-serine acetate-lyase (adding hydrogen-sulfide) activity, O-acetyl-L-serine sulfhydrylase activity, O-acetyl-L-serine sulfohydrolase activity, O-acetylserine (thiol)-lyase A activity, O-acetylserine (thiol)-lyase activity, O-acetylserine sulfhydrylase activity, O3-acetyl-L-serine acetate-lyase (adding hydrogen-sulfide), O3-acetyl-L-serine:hydrogen-sulfide 2-amino-2-carboxyethyltransferase activity, OAS sulfhydrylase activity
Definition: Catalysis of the reaction: O3-acetyl-L-serine + hydrogen sulfide = L-cysteine + acetate.
Ontology: GO: Molecular Function [GO:0004124]    QuickGO    AmiGO

Relationships
is part of: cysteine biosynthetic process
is a type of: transferase activity, transferring alkyl or aryl (other than methyl) groups