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Information on EC - Opine dehydrogenase

for references in articles please use BRENDA:EC1.5.1.28
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EC Tree
     1 Oxidoreductases
         1.5 Acting on the CH-NH group of donors
             1.5.1 With NAD+ or NADP+ as acceptor
       Opine dehydrogenase
IUBMB Comments
In the forward direction, the enzyme from Arthrobacter sp. acts also on secondary amine dicarboxylates such as N-(1-carboxyethyl)methionine and N-(1-carboxyethyl)phenylalanine. Dehydrogenation forms an imine, which dissociates to the amino acid and pyruvate. In the reverse direction, the enzyme acts also on neutral amino acids as an amino donor. They include L-amino acids such as 2-aminopentanoic acid, 2-aminobutyric acid, 2-aminohexanoic acid, 3-chloroalanine, O-acetylserine, methionine, isoleucine, valine, phenylalanine, leucine and alanine. The amino acceptors include 2-oxoacids such as pyruvate, oxaloacetate, glyoxylate and 2-oxobutyrate.
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Word Map
The enzyme appears in viruses and cellular organisms
opine dehydrogenase, n-(1-d-carboxyethyl)-l-norvaline dehydrogenase, more
(2S)-2-{[1-(R)-carboxyethyl]amino}pentanoate + NAD+ + H2O = L-2-aminopentanoic acid + pyruvate + NADH + H+
show the reaction diagram
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