Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

NLM Logo

Ornithine-Oxo-Acid Transaminase MeSH Descriptor Data 2025


MeSH Heading
Ornithine-Oxo-Acid Transaminase
Tree Number(s)
D08.811.913.477.700.700
Unique ID
D009953
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D009953
Scope Note
A pyridoxal phosphate enzyme that catalyzes the formation of glutamate gamma-semialdehyde and an L-amino acid from L-ornithine and a 2-keto-acid. EC 2.6.1.13.
Entry Term(s)
L-Ornithine-2-Oxo-Acid Aminotransferase
L-Ornithine-2-Oxoglutarate Aminotransferase
Ornithine Aminotransferase
Ornithine Ketoacid Aminotransferase
Ornithine Transaminase
Ornithine-2-Ketoglutarate Aminotransferase
Ornithine-Keto-Acid-Transaminase
Ornithine-Ketoacid-Transaminase
Pyrroline-5-Carboxylate Synthase
Registry Numbers
EC 2.6.1.13
Related Numbers
9030-42-6
CAS Type 1 Name
L-Ornithine:2-oxo-acid aminotransferase
Previous Indexing
Aminotransferases (1969-1974)
Ornithine (1969-1974)
Public MeSH Note
98; see ORNITHINE AMINOTRANSFERASE 1991-97; see AMINOTRANSFERASES 1975-90
History Note
98(75)
Date Established
1991/01/01
Date of Entry
1974/11/19
Revision Date
2003/07/09
Ornithine-Oxo-Acid Transaminase Preferred
page delivered in 0.155s