7-phospho-2-dehydro-3-deoxy-D-arabino-heptonate = 3-dehydroquinate + phosphate ATP + shikimate = 3-phosphoshikimate + ADP + H(+) Metabolic intermediate biosynthesis; chorismate biosynthesis; chorismate from D-erythrose 4-phosphate and phosphoenolpyruvate: step 2/7. Metabolic intermediate biosynthesis; chorismate biosynthesis; chorismate from D-erythrose 4-phosphate and phosphoenolpyruvate: step 5/7. Monomer. In the N-terminal section; belongs to the shikimate kinase family. In the C-terminal section; belongs to the sugar phosphate cyclases superfamily. Dehydroquinate synthase family.