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Ornithine Decarboxylase MeSH Descriptor Data 2022


MeSH Heading
Ornithine Decarboxylase
Tree Number(s)
D08.811.520.224.125.425
Unique ID
D009955
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D009955
Scope Note
A pyridoxal-phosphate protein, believed to be the rate-limiting compound in the biosynthesis of polyamines. It catalyzes the decarboxylation of ornithine to form putrescine, which is then linked to a propylamine moiety of decarboxylated S-adenosylmethionine to form spermidine.
Entry Term(s)
Ornithine Carboxy-lyase
Registry Number
EC 4.1.1.17
Related Numbers
9024-60-6
CAS Type 1 Name
L-Ornithine carboxy-lyase
NLM Classification #
QU 139
Previous Indexing
Carboxy-Lyases (1972-1974)
Ornithine (1972-1974)
Public MeSH Note
84; was see under CARBOXY-LYASES 1975-83
History Note
84(75); was see under CARBOXY-LYASES 1975-83
Entry Combination
antagonists & inhibitors:Ornithine Decarboxylase Inhibitors
Date Established
1984/01/01
Date of Entry
1974/11/11
Revision Date
2014/06/10
Ornithine Decarboxylase Preferred
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