Cholesterol Synthesis Pathway Acetyl-CoA Acetoacetyl-CoA S-COA S-COA HMG-CoA(羟甲基戊二酸甲酰辅酶A S-COA HMG-COA Reductase OH Mevalonate(甲羟戊酸,MVA Dolichol 人人人 oPP Farnesyl-PP Haem Ubiquinone Farnesylated Proteins (人人人), Squalene Lipoprotein Cholesterol Vitamin D Bile Acids Steroid Hormones Istvan E and Deisenhofer J Science 2001: 292: 1160-1164Cholesterol Synthesis Pathway （羟甲基戊二酸甲酰辅酶A） （甲羟戊酸，MVA）