. "Activated by AMP and is specific for its substrate." . "Phosphorylates and activates EC 2.7.11.31 which has been inactivated by EC 3.1.3.16." . . . "AMP-activated protein kinase kinase" . "Reductase kinase" . "Dephospho-[reductase kinase] kinase" . "Reductase kinase kinase" . "AMP-activated kinase" . "Hydroxymethylglutaryl coenzyme A reductase kinase kinase" . . "ATP + dephospho-[[hydroxymethylglutaryl-CoA reductase (NADPH)] kinase] = ADP + [[hydroxymethylglutaryl-CoA reductase (NADPH)] kinase]." .