期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 55, 期 42, 页码 13015-13018出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201605522
关键词
ion pair formation; molecular recognition; peptide fibers; peptide structures; self-assembly
资金
- CSC (China Scholarship Council)
- Croatian Science Foundation [1477]
Peptides that adopt beta-helix structures are predominantly found in transmembrane protein domains or in the lipid bilayer of vesicles. Constructing a b-helix structure in pure water has been considered difficult without the addition of membrane mimics. Herein, we report such an example; peptide 1 self-assembles into a supramolecular b-helix in pure water based on charge interactions between the individual peptides. Peptide 1 further showed intriguing transitions from small particles to helical fibers in a time-dependent process. The fibers can be switched to vesicles by changing the pH value.
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