Helix-turn-helix peptides that form alpha-helical fibrils: turn sequences drive fibril structure.

Abstract

Models of apolipoprotein A-I (apo A-I), the main protein of high-density lipoprotein, predict that it contains 10 amphiphilic, alpha-helical segments connected by turns. We synthesized four peptides with two identical 18-residue, amphiphilic, alpha-helical segments (Anantharamaiah, G. M., et al. (1985) J. Biol. Chem. 260, 10248-10255) connected by putative… (More)

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