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    • 2. 发明申请
    • NOVEL ANALOG OF HALOCYNTHIA AURANTIUM-DERIVED ANTIMICROBIAL PEPTIDE, AND USE THEREOF
    • HALOCYNTHIA AURANTIUM衍生的抗微生物肽的新型模拟物及其用途
    • WO2015183002A3
    • 2016-01-21
    • PCT/KR2015005338
    • 2015-05-28
    • LEE IN HEE
    • LEE IN HEE
    • C07K7/00A61K38/17A61P31/02A61P31/04
    • A61K38/17C07K7/00
    • The present invention relates to an antimicrobial peptide and, more specifically, to: a mutant antimicrobial peptide in which the resistance against proteases and the activity in the serum are greatly improved by modifying a part of the amino acids of halocidin, which is an antimicrobial peptide isolated from Halocynthia aurantium body fluid cells; and an antimicrobial agent containing the antimicrobial peptide as an active ingredient. The antimicrobial peptide of the present invention is an antimicrobial peptide having strong fungicidal activity against fungi and excellent resistance against gram-positive and gram-negative bacteria, particularly, antibiotic resistant bacteria, overcoming the problems of the hydrolysis by proteases and the loss of antimicrobial activity caused by nonspecific binding with serum proteins, which are large obstacles to the practical use of an antimicrobial peptide, and useful as a novel peptide antibiotic.
    • 本发明涉及一种抗微生物肽,更具体地说,涉及:通过修饰作为抗微生物肽的卤代核苷酸的一部分氨基酸,其中抗蛋白酶的抗性和血清中的活性大大提高的突变型抗微生物肽 从紫穗槐属体液细胞中分离出来; 和含有抗微生物肽作为活性成分的抗微生物剂。 本发明的抗微生物肽是对真菌具有强烈杀真菌活性的抗微生物肽,具有抗革兰氏阳性和革兰氏阴性细菌,特别是抗生素抗性细菌的优良抗性,克服蛋白酶水解的问题和抗菌活性丧失 由与血清蛋白质的非特异性结合引起的,这是抗微生物肽实际使用的巨大障碍,并且可用作新的肽抗生素。