N5-(carboxyethyl)ornithine synthase

In enzymology, a N5-(carboxyethyl)ornithine synthase (EC 1.5.1.24) is an enzyme that catalyzes the chemical reaction

N5-(L-1-carboxyethyl)-L-ornithine + NADP+ + H2O L-ornithine + pyruvate + NADPH + H+
N5-(carboxyethyl)ornithine synthase
Identifiers
EC number1.5.1.24
CAS number129070-70-8
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO

The 3 substrates of this enzyme are N5-(L-1-carboxyethyl)-L-ornithine, NADP+, and H2O, whereas its 4 products are L-ornithine, pyruvate, NADPH, and H+.

Nomenclature

This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-NH group of donors with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is N5-(L-1-carboxyethyl)-L-ornithine:NADP+ oxidoreductase (L-ornithine-forming). Other names in common use include 5-N-(L-1-carboxyethyl)-L-ornithine:NADP+ oxidoreductase, and (L-ornithine-forming).

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References

    • Thompson J (June 1989). "N5-(L-1-carboxyethyl)-L-ornithine:NADP+ oxidoreductase from Streptococcus lactis. Purification and partial characterization". The Journal of Biological Chemistry. 264 (16): 9592–601. PMID 2498334.


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