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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
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 ⇌ {\displaystyle \rightleftharpoons } 3,4-dihydroxybenzoate + H 2 O
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 + .
The systematic name of this enzyme class is 3-dehydroquinate hydro-lyase (3-dehydroshikimate-forming). This enzyme is one of the few examples of convergent evolution. The two separate versions of this enzyme have different amino acid sequences. [2] 3-Dehydroquinate dehydratase is also commonly referred to as Dehydroquinate dehydratase and DHQD ...
This article originally appeared on USA TODAY: Don Johnson celebrates 75th birthday with all 5 kids: See photo. Show comments. Advertisement. Advertisement. In Other News. Finance. Finance.
Matt Short and Aaron Hardie will play at their first ICC tournament after being named Monday in Australia's 15-man squad for the Champions Trophy which begins next month in Pakistan and the UAE.
However, the 25-year-old’s body was found by police officers in a wooded area around 5 p.m. Friday, about 5 miles from where she was last seen alive, the department said in a statement Saturday.
The fifth enzyme involved is the shikimate kinase, an enzyme that catalyzes the ATP-dependent phosphorylation of shikimate to form shikimate 3-phosphate (shown in the figure below). [1] [2] Shikimate 3-phosphate is then coupled with phosphoenol pyruvate to give 5-enolpyruvylshikimate-3-phosphate via the enzyme 5-enolpyruvylshikimate-3-phosphate ...