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Quinate dehydrogenase

A) DAHP synthase (B) DHQ synthase (C) DHQ dehydratase (D) shikimate dehydrogenase (E) quinate dehydrogenase (F) DHS dehydratase (G) protocatechuate decarboxylase (H) catechol 1,2-dioxygenase. [Pg.260]

Deoxy-D-arabinoheptulosonic acid-7-phosphate (DAHP) synthase 2 5-dehydroquinate synthase 3 quinate dehydrogenase 4 5-dehydroquinate dehydratase 5 shikimate dehydrogenase 6 shikimate kinase 7 3-enolpyruvylshikimate-5-phosphate synthase 8 chorismate synthase... [Pg.260]

The linking molecules for both pathw s are 3-dehydroquinic acid and 3-dehydroshikimic acid. 3-dehydro-quinic acid can be formed in a one-step reaction catalysed by quinate-dehydrogenase from quinic acid, an abundant plant metabolite (Figure 2). [Pg.117]

Figure 2. The biosynthesis of 3-dehydroquinic acid and 3-dehydroshikimic acid from quinic acid (1... quinate-dehydrogenase 2... dehydrogenase). Figure 2. The biosynthesis of 3-dehydroquinic acid and 3-dehydroshikimic acid from quinic acid (1... quinate-dehydrogenase 2... dehydrogenase).
Quinic acid is also found throughout the plant kingdom, usually with shikimic acid. It occurs as the free acid in many plants and its phenolic esters are also very common. The simplest assumption for the biosynthesis of quinic acid is through the reduction of 3-dehydroquinic acid, catalyzed by quinate dehydrogenase. However, because of the rare occurrence of this enzyme, the biosynthesis of quinic acid still remains to be explained. [Pg.266]

Adachi O, Yoshihara N, Tanasupawat S, Toyama H, Matsushita K (2003b) Purification and characterization of membrane-hound quinoprotein quinate dehydrogenase. Biosci Biotechnol Biochem 67(10) 2115-2123... [Pg.293]

See other pages where Quinate dehydrogenase is mentioned: [Pg.565]    [Pg.90]    [Pg.96]    [Pg.259]    [Pg.259]    [Pg.402]    [Pg.402]    [Pg.11]    [Pg.12]    [Pg.16]    [Pg.40]    [Pg.101]    [Pg.102]    [Pg.166]    [Pg.178]    [Pg.273]    [Pg.283]    [Pg.285]    [Pg.285]    [Pg.286]    [Pg.298]   
See also in sourсe #XX -- [ Pg.260 ]

See also in sourсe #XX -- [ Pg.11 , Pg.39 ]

See also in sourсe #XX -- [ Pg.283 , Pg.285 , Pg.286 , Pg.287 ]



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Quinate

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