At least 9 distinct polymorphic forms of apolipoproteins are known. The apolipoproteins act as stabilizers of the intact lipoprotein particles. Quantitative measurements of HDL, LDL, and VLDL particles of human serum are often used to estimate an individual's relative risk of coronary heart disease. In addition, quantitative immunological measurements of certain apolipoproteins ( especially A-1 and B) have been suggested to be more accurate estimators of coronary heart disease that measurements of lipoprotein particles (especially HDL and LDL). The apolipoproteins are derived from human plasma by density gradient ultracentrifugation and HPLC.
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Protein Aliases: APO A2; Apo-AII; Apolipoprotein; Apolipoprotein A-II; Apolipoprotein A-II(1-76); Apolipoprotein A2; Apolipoprotein AII; ProapoA-II; Proapolipoprotein A-II; Truncated apolipoprotein A-II
Gene Aliases: Apo-AII; ApoA-II; APOA2; apoAII
UniProt ID: (Human) P02652
Entrez Gene ID: (Human) 336