measurement of lcat activity of each lipoprotein fraction against mixed single bilayer lecithin-cholesterol vesicles ( molar ratio , 4:1 ) containing apo a-i , indicated that vldl , ldl and hdl2 were inactive or minimally active under the experimental conditions used , whereas hdl3 and the d greater than 1.21 g/ml fraction contained 17.5 and 79.9 % of the total enzyme activity .
C0023820
lipoprotein
C0023825
vldl