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Phospholipid content of normal and fl2 protein body and ER fractions separated by Suc density gradient centrifugation. PA, PI, PC, phosphatidylethanolamine (PE), and PG are expressed as percentages of total polar lipids in the sample as quantified by gas chromatography. A, Protein body profile. B, ER profile. Means are from three independent experiments ± se. Black bars, Normal; hatched bars, fl2.
