L-amino-acid_dehydrogenase

L-amino-acid dehydrogenase

L-amino-acid dehydrogenase

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In enzymology, a L-amino-acid dehydrogenase (EC 1.4.1.5) is an enzyme that catalyzes the chemical reaction

an L-amino acid + H2O + NAD+ a 2-oxo acid + NH3 + NADH + H+
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The 3 substrates of this enzyme are L-amino acid, H2O, and NAD+, whereas its 4 products are 2-oxo acid, NH3, NADH, and H+.

This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-NH2 group of donors with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is L-amino-acid:NAD+ oxidoreductase (deaminating).

References

    • Nisman B, Mager J (February 1952). "Diphosphopyridine nucleotide and phosphate requirement for oxidation of amino-acids by cell-free extracts of obligate anaerobes". Nature. 169 (4293): 243–4. doi:10.1038/169243a0. PMID 14910739.


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