Structure-function studies of apoA-I variants: site-directed mutagenesis and natural mutations.

Abstract excerpt

Five mutants of apolipoprotein A-I (apoA-I), apoA-I(Delta63-73), apoA-I(Delta140-150), apoA-I(63-73@140-150), apoA-I(R149V), and apoA-I(P143A) were compared with human plasma apoA-I for their ability to promote cholesterol and phospholipid efflux from HepG2 cells. A significantly lower capacity to promote cholesterol and phospholipid efflux was observed with lipid-free apoA-I(Delta63-73), while mutations...

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