separation of secreted apolipoproteins by density gradient ultracentrifugation has shown that 50 % of apoe , 80 % of apoa-i , and more than 90 % of apoa-iv and apociii are secreted in a lipid-poor form , whereas apob-100 and apob-48 are 100 % associated with lipids .
C0003591
apolipoproteins
C0003595
apoe