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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 35, Number 12
BKCSDE 35(12)
December 20, 2014 

 
Title
De Novo Design and Their Antimicrobial Activity of Stapled Amphipathic Helices of Heptapeptides
Author
Thuy T. T. Dinh, Do-Hee Kim, Bong-Jin Lee, Young-Woo Kim*
Keywords
Antimicrobial peptides, α-Helix, Stapled peptides, Protease resistance, Peptide drugs
Abstract
In this study we designed and synthesized several heptapeptides that are enforced to form an amphipathic helix using all-hydrocarbon stapling system and evaluated their antimicrobial and hemolytic activities. The antimicrobial activity showed clear structure-activity relationships, confirming the importance of helicity and amphipathicity. Some stapled heptapeptides displayed a moderate antimicrobial activity along with a low hemolytic activity. To our best knowledge, although not highly potent, these stapled peptides represent the shortest helical amphipathic antimicrobial peptides reported to date. The preliminary data obtained in this work would serve as a good starting point for further developing short analogs of amphipathic helical antimicrobial peptides.
Page
3632 - 3636
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