1.1.1.203: uronate dehydrogenase

This is an abbreviated version, for detailed information about uronate dehydrogenase, go to the full flat file.

Reaction

beta-D-galacturonate
+
NAD+
=
D-galactaro-1,5-lactone
+
NADH
+
H+

Synonyms

Udh, uronate dehydrogenase, uronate:NAD-oxidoreductase, uronic acid dehydrogenase

ECTree

     1 Oxidoreductases
         1.1 Acting on the CH-OH group of donors
             1.1.1 With NAD+ or NADP+ as acceptor
                1.1.1.203 uronate dehydrogenase

Systematic Name

Systematic Name on EC 1.1.1.203 - uronate dehydrogenase

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SYSTEMATIC NAME
IUBMB Comments
uronate:NAD+ 1-oxidoreductase
Requires Mg2+. The enzyme, characterized from the bacterium Agrobacterium fabrum, participates in oxidative degradation pathways for galacturonate and glucuronate. The enzyme can only accept the beta anomeric form of the substrate [4]. The 1,5-lactone product is rather stable at cytosolic pH and does not hydrolyse spontaneously at a substantial rate.