D-pinitol dehydrogenase

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D-pinitol dehydrogenase
Identifiers
EC no. 1.1.1.142
CAS no. 37250-71-8
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In enzymology, a D-pinitol dehydrogenase (EC 1.1.1.142) is an enzyme that catalyzes the chemical reaction

1D-3-O-methyl-chiro-inositol + NADP+ 2D-5-O-methyl-2,3,5/4,6-pentahydroxycyclohexanone + NADPH + H+

Thus, the two substrates of this enzyme are 1D-3-O-methyl-chiro-inositol and NADP+, whereas its 3 products are 2D-5-O-methyl-2,3,5/4,6-pentahydroxycyclohexanone, NADPH, and H+.

This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is 1D-3-O-methyl-chiro-inositol:NADP+ oxidoreductase. This enzyme is also called 5D-5-O-methyl-chiro-inositol:NADP+ oxidoreductase.

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n
H
2n-x
(OH)
x
or C
n
H
2n
O
x
where 3 ≤ xn.

References