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Biosynthesis: The enzyme 3-dehydroquinate dehydratase uses 3-dehydroquinate to produce 3-dehydroshikimate and H 2 O. 3-Dehydroshikimate is then reduced to shikimic acid by the enzyme shikimate dehydrogenase, which uses nicotinamide adenine dinucleotide phosphate (NADPH) as a cofactor. Biosynthesis of shikimic acid from 3-dehydroquinate
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3-dehydroshikimate dehydratase (EC 4.2.1.118) is an enzyme with systematic name 3-dehydroshikimate hydro-lyase. [1] [2] This enzyme catalyses the following chemical reaction. 3-dehydro-shikimate 3,4-dihydroxybenzoate + H 2 O. This enzyme catalyses an early step in the biosynthesis of petrobactin.
In enzymology, a shikimate dehydrogenase (EC 1.1.1.25) is an enzyme that catalyzes the chemical reaction shikimate + NADP + ⇌ {\displaystyle \rightleftharpoons } 3-dehydroshikimate + NADPH + H + Thus, the two substrates of this enzyme are shikimate and NADP + , whereas its 3 products are 3-dehydroshikimate , NADPH , and H + .
Shikimate kinase (EC 2.7.1.71) is an enzyme that catalyzes the ATP-dependent phosphorylation of shikimate to form shikimate 3-phosphate. [1] This reaction is the fifth step of the shikimate pathway, [2] which is used by plants and bacteria to synthesize the common precursor of aromatic amino acids and secondary metabolites.
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The enzyme 3-dehydroquinate dehydratase (EC 4.2.1.10) catalyzes the chemical reaction. 3-dehydroquinate 3-dehydroshikimate + H 2 O. This enzyme belongs to the family of lyases, specifically the hydro-lyases, which cleave carbon-oxygen bonds. This enzyme participates in phenylalanine, tyrosine and tryptophan biosynthesis
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