コイ血漿蛋白質の生化学的研究-3-グロブリン性リポ蛋白質の性状〔英文〕

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Five lipoproteins were fractionated from a globulin fraction of carp serum protein by gel filtration and DEAE-cellulose chromatography. The presence of a small quantity of the lipoprotein with a large molecular weight and zero mobility in electrophoresis was confirmed. The other 4 lipoproteins were purified and characterized. Their lipid contents were 23 to 64%, and their isoelectric points 4.2 to 5.2. In amino acid composition, these lipoproteins were very similar to each other, and resembled human serum chylomicron, very low density lipoprotein, and low density lipoprotein rather than human serum albumin and high density lipoprotein. The protein moiety of each lipoprotein was resolved into 5 major and several minor components by SDS-disc electrophoresis. Each lipoprotein consisted of various sets of apoprotein components.