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Cysteine Synthase MeSH Descriptor Data 2022


MeSH Heading
Cysteine Synthase
Tree Number(s)
D08.811.913.225.224
Unique ID
D003547
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D003547
Scope Note
An enzyme that catalyzes the biosynthesis of cysteine in microorganisms and plants from O-acetyl-L-serine and hydrogen sulfide. This enzyme was formerly listed as EC 4.2.99.8.
Entry Term(s)
Cysteine Synthase A
O-Acetylserine (Thiol)-Lyase
O-Acetylserine Sulfhydrylase
Registry Number
EC 2.5.1.47
Related Numbers
37290-89-4
CAS Type 1 Name
O(3)-Acetyl-L-serine acetate-lyase (adding hydrogen sulfide)
Previous Indexing
Cysteine (1966-1976)
Lyases (1966-1976)
Serine (1966-1976)
Public MeSH Note
91; was see under LYASES 1977-90
History Note
91(77); was see under LYASES 1977-90
Date Established
1991/01/01
Date of Entry
1976/05/19
Revision Date
2013/07/09
Cysteine Synthase Preferred
Cysteine Synthase A Narrower
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