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Protein & Peptide Letters


ISSN (Print): 0929-8665
ISSN (Online): 1875-5305

Design of Dermaseptin S3 Analogues having Bacterial Cell Selectivity without Mammalian Cell Toxicity

Author(s): Song Yub Shin, Sung Tae Yang, Soo Hyum Eom, Woo Keun Song, Yangmee Kim, Kyung-Soo Hahm and Jae Il Kim

Volume 8, Issue 4, 2001

Page: [281 - 288] Pages: 8

DOI: 10.2174/0929866013409328

Price: $65


Dermaseptin S3 (DS3) is a a-helical antimicrobial peptide isolated from the South American frogs Phyllomedusa sauvagii. Insertion of Gly-Pro sequence into DS3 resulted in a drastic reduction in the mammalian cell toxicity against human red blood and normal fibroblast cells, with retention of the antibacterial activity. The results indicated that the bend created by insertion of Gly-Pro in the continuous a-helical peptide plays an important role in providing high selectivity against bacterial cells without mammalian cell toxicity.

Keywords: DERMASEPTIN S3 ANALOGUES, MAMMALIAN CELL TOXICITY, helical antimicrobial peptide, Phyllomedusa sauvagii, antibacterial activity, Hemolytic activity

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