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Formation of Ordered Biomolecular Structures by the Self-assembly of Short Peptides
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High length-diameter ratio nanotubes self-assembled from a facial cyclopeptide
Soft Matter
|July 2, 2014
Abstract:
A six-residue facial cyclopeptide was designed with the following sequence: c-[D-Leu-L-Lys-D-Ala-L-Lys-D-Leu-L-Gln] (CP). Extensive hydrogen bonding between the cyclopeptide backbones mainly regulated CP to self-assemble into single-walled nanotubes. Simultaneously, the hydrophobic interaction among facial hydrophobic side chains of CP was introduced to stabilize the hydrogen bonding, resulting in the formation of the thick-walled nanotubes with high length–diameter ratios.
