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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 {\displaystyle \rightleftharpoons } 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.

References

Oxidoreductases: alcohol oxidoreductases (EC 1.1)
1.1.1: NAD/NADP acceptor
1.1.2: cytochrome acceptor
1.1.3: oxygen acceptor
1.1.4: disulfide as acceptor
1.1.5: quinone/similar acceptor
1.1.99: other acceptors
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