3'ALPHA',7'ALPHA',12'ALPHA',24-TETRAHYDROXY-5'BETA'-CHOLESTANOYL-CoA

CH7TAT+ATP+CoA+FAD=CH7YL*+AMP+PPi+FADH
CH7YL*+CoA+NADPH=CHL*+PROP*+PPi+NADP
CH7YL*