a highly purified ( approximately 12 000-fold ) homogeneous preparation of human plasma lecithin : cholesterol acyltransferase ( lcat ) with 16 % yield was obtained by a combination of density ultracentrifugation , high density lipoprotein affinity column chromatography , hydroxylapatite chromatography , and finally chromatography on anti-apolipoprotein d immunoglobulin-sepharose columns to remove apolipoprotein d .
C0003591
apolipoprotein
C0052193
apolipoprotein d