Term Information

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Accession
GO:0004124
Name
cysteine synthase activity
Ontology
molecular_function
Synonyms
3-O-acetyl-L-serine:hydrogen-sulfide 2-amino-2-carboxyethyltransferase 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 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, acetylserine sulfhydrylase activity, cysteine synthetase activity, O-acetylserine (thiol)-lyase A activity
Alternate IDs
None
Definition
Catalysis of the reaction: O3-acetyl-L-serine + hydrogen sulfide = L-cysteine + acetate. Source: EC:2.5.1.47
Comment
Note that this function was formerly 4.2.99.8.
History
See term history for GO:0004124 at QuickGO
Chem. react.
has participant L-cysteine zwitterion
has participant acetate
has participant O-acetyl-L-serine zwitterion
has participant hydrosulfide
Subset
None
Include "regulates"
For more information, please see the ontology relation documentation.

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Graph of GO:0004124 from QuickGO

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Parents of cysteine synthase activity (GO:0004124)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
cysteine synthase activity [RO:0000057 relation] RO:0000057  L-cysteine zwitterion (CHEBI:35235)
cysteine synthase activity [RO:0000057 relation] RO:0000057  acetate (CHEBI:30089)
cysteine synthase activity [BFO:0000050 relation] BFO:0000050  cysteine biosynthetic process (GO:0019344)
cysteine synthase activity [RO:0000057 relation] RO:0000057  O-acetyl-L-serine zwitterion (CHEBI:58340)
cysteine synthase activity [is_a relation] is_a  transferase activity, transferring alkyl or aryl (other than methyl) groups (GO:0016765)
cysteine synthase activity [RO:0000057 relation] RO:0000057  hydrosulfide (CHEBI:29919)
Children of cysteine synthase activity (GO:0004124)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
cysteine synthase complex (GO:0009333) [RO:0002215 relation] RO:0002215  cysteine synthase activity
EC
2.5.1.47
MetaCyc
ACSERLY-RXN
RHEA
14829