5-O-(1-carboxyvinyl)-3-phosphoshikimate = chorismate + phosphate Metabolic intermediate biosynthesis; chorismate biosynthesis; chorismate from D-erythrose 4-phosphate and phosphoenolpyruvate: step 7/7. Homotetramer. By amino acid starvation. Present with 2310 molecules/cell in log phase SD medium. Belongs to the chorismate synthase family.