Analogue peptide CMA3 derived from CM-MA peptide and use thereof
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United States of America Patent
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Jan 9, 2018
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Jan 14, 2015
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Jan 17, 2014
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Abstract
The present invention relates to a novel analogue antibiotic peptide derived from a CM-MA peptide and a use thereof. Specifically, the novel antibiotic peptides represented by SEQ. ID. NO: 2 to SEQ. ID. NO: 7 (CAM 1 to CMA 6) were synthesized by using a CM-MA antibiotic peptide, in which amphiphilic cecropin A (CA) and magainin 2 (MA) are conjugated, as a template. The synthesized antibiotic peptide exhibits antibiotic activity on gram-positive bacteria and gram-negative bacteria and low cytotoxicity on human red blood cells and human normal cell lines (HaCaT), and thus the antibiotic peptide of the present invention can be favorably used as an active ingredient of an antibiotic agent, a cosmetic composition, a food additive, a feed additive, and a biological pesticide.
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