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Category:GO:0004124 ! cysteine synthase activity
name: cysteine synthase activity
namespace: molecular_function
def: "Catalysis of the reaction: O3-acetyl-L-serine + hydrogen sulfide = L-cysteine + acetate." [EC:4.2.99.8]
comment: Note that this function was formerly 4.2.99.8.
subset: gosubset_prok
synonym: "3-O-acetyl-L-serine:hydrogen-sulfide 2-amino-2-carboxyethyltransferase activity" EXACT [EC:2.5.1.47]
synonym: "acetylserine sulfhydrylase activity" EXACT [EC:2.5.1.47]
synonym: "cysteine synthetase activity" EXACT [EC:2.5.1.47]
synonym: "O(3)-acetyl-L-serine acetate-lyase (adding hydrogen-sulfide) activity" EXACT [EC:2.5.1.47]
synonym: "O-acetyl-L-serine sulfhydrylase activity" EXACT [EC:2.5.1.47]
synonym: "O-acetyl-L-serine sulfohydrolase activity" EXACT [EC:2.5.1.47]
synonym: "O-acetylserine (thiol)-lyase A activity" NARROW [EC:2.5.1.47]
synonym: "O-acetylserine (thiol)-lyase activity" EXACT [EC:2.5.1.47]
synonym: "O-acetylserine sulfhydrylase activity" EXACT [EC:2.5.1.47]
synonym: "O3-acetyl-L-serine acetate-lyase (adding hydrogen-sulfide)" EXACT [EC:2.5.1.47]
synonym: "O3-acetyl-L-serine:hydrogen-sulfide 2-amino-2-carboxyethyltransferase activity" EXACT [EC:2.5.1.47]
synonym: "OAS sulfhydrylase activity" EXACT [EC:2.5.1.47]
xref: EC:2.5.1.47
xref: MetaCyc:ACSERLY-RXN
xref: Reactome:REACT_27172 "deacetylation of O-acetylserine and sulfhydrylation using CysK2, Mycobacterium tuberculosis"
xref: Reactome:REACT_27282 "deacetylation of O-acetylserine and sulfhydrylation using CysK1, Mycobacterium tuberculosis"
xref: RHEA:14832
is_a: GO:0016835 ! carbon-oxygen lyase activity
AmiGO
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