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. 1977 Apr;12(4):348-56.
doi: 10.1007/BF02533637.

A structural model for the cholesterol-phosphatidylcholine complexes in bilayer membranes

C H Huang

A structural model for the cholesterol-phosphatidylcholine complexes in bilayer membranes

C H Huang. Lipids. 1977 Apr.

Abstract

Based on the structural properties of phospholipid and cholesterol molecules, and making use of the known structural and motional effects of cholesterol and its analogs on phospholipid bilayers, a model for the cholesterol-phosphatidylcholine complex is proposed. In this model, the 3beta-hydroxyl group of cholesterol is assumed to engage in hydrogen bonding with the carbonyl oxygen of the fatty acyl groups in phospholipids. Some specific configurations of the saturated and unsaturated fatty acyl chains of the phospholipid are suggested to participate in van der Waals attractive interactions with the apha and beta surface of the steroid nucleus.

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