ヒドロキシメチルグルタリルCoAレダクターゼ (NADPH)
組織名は(R)-mevalonate:NADP oxidoreductase (CoA-acylating)で、別名にhydroxymethylglutaryl coenzyme A reductase (reduced nicotinamide adenine dinucleotide phosphate), 3-hydroxy-3-methylglutaryl-CoA reductase, β-hydroxy-beta-methylglutaryl coenzyme A reductase, hydroxymethylglutaryl CoA reductase (NADPH), S-3-hydroxy-3-methylglutaryl-CoA reductase, NADPH-hydroxymethylglutaryl-CoA reductase, HMGCoA reductase-mevalonate:NADP-oxidoreductase (acetylating-CoA), 3-hydroxy-3-methylglutaryl CoA reductase (NADPH), hydroxymethylglutaryl-CoA reductase (NADPH2)がある。