Modulation of membrane structure and function by hydrophobic mismatch between proteins and lipids
1998
The structure and function of biological membranes can be expected to be sensitive to the extent of hydrophobic matching between the length of the membrane-spanning part of intrinsic membrane proteins and the hydrophobic thickness of the lipid bilayer. To gain insight into the consequences of hydrophobic mismatch on a molecular level, we have carried out systematic studies on well-defined peptidehpid complexes, using artifical transmembrane peptides, anchored to the membrane by tryptophan residues. It is shown that hydrophobic mismatch can result in a dramatic change in lipid organization, and that the presence of interfacially localized aromatic amino acid residues is important for determining the exact consequences of hydrophobic mismatch.
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