wikipedia | The shikimate pathway (shikimic acid pathway) is a seven step metabolic route used by bacteria, fungi, algae, parasites and plants for the biosynthesis of aromatic amino acids (phenylalanine, tyrosine, andtryptophan). This pathway is not found in animals, hence the products of this pathway represent essential amino acids that must be obtained from the animal's diet. However, this pathway is found with microbes that live within animals in the gut microbiome.
The first enzyme involved is the shikimate kinase, an enzyme that catalyzes the ATP-dependent phosphorylation of shikimate to form shikimate 3-phosphate.[1] Shikimate 3-phosphate is then coupled withphosphoenol pyruvate to give 5-enolpyruvylshikimate-3-phosphate via the enzyme 5-enolpyruvylshikimate-3-phosphate (EPSP) synthase.
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