ID 2.7.11.3 DE dephospho-[reductase kinase] kinase. AN AMP-activated kinase. AN AMP-activated protein kinase kinase. AN hydroxymethylglutaryl coenzyme A reductase kinase kinase. AN reductase kinase. AN reductase kinase kinase. CA ATP + dephospho-[[hydroxymethylglutaryl-CoA reductase (NADPH)] kinase] = CA ADP + [[hydroxymethylglutaryl-CoA reductase (NADPH)] kinase]. CC -!- Activated by AMP and is specific for its substrate. CC -!- Phosphorylates and activates EC 2.7.11.31 which has been inactivated CC by EC 3.1.3.16. CC -!- Formerly EC 2.7.1.110. //