SYNTEZA CHOLESTEROLU O O O C CoA S H3C O CH2 H3C + CH2 C CH3 HO CoA S CH2 CoA S COO- acetoacetylo-CoA 3-hydroksy-3-metyloglutarylo-CoA (HMG-CoA acetylo-CaA 2NADPH + H+ O O reduktaza HMG-CoA O O + O O P P P P O- O O- O O- CoA + 2NADP+ O- O- O- dimetyloalilopirofosforan pirofosforan izopentylu PPi COO- CH2 PPi O O C CH3 HO O P P CH2 O- O O- O- CH2OH pirofosforan geranylu mewalonian pirofosforan izopentylu ATP PPi ADP O O ATP P O- ADP O P O O- O- ATP pirofosforan farnezylu NADPH + H+ NADPH + H+ ADP + Pi + CO pirofosforan farnezylu 2 CH2 NADP+ NADP+ PPi C CH3 O CH2 O SKWALEN H2C O- O P O P O- O- pirofosforan izopentylu EPOKSYD SKWALENU LANOSTEROL O O NADPH + H+ CH4 H3C CH4 C CH CH2 O O O- P P NADP+ CH4 H3C O- O- HO dimetyloalilopirofosforan CHOLESTEROL