[Methods in Enzymology] Vitamins and Coenzymes Volume 18 || [59] Pantothenic acid and coenzyme A: Dephospho-CoA pyrophosphorylase and dephospho-CoA kinase as a possible bifunctional enzyme complex (ATP: Pantetheine-4′-phosphate adenyltransferase, EC 2.7.7.3 and ATP: Dephospho-CoA 3′-phosphotransferase, EC 2.7.1.24)