色氨酸和组氨酸跨链交互作用的β发卡抗菌肽及制备方法
- 专利权人:
- 东北农业大学
- 发明人:
- 邵长轩,谭鹏,单安山
- 申请号：
- CN202010234588.2
- 公开号：
- CN111454330B
- 申请日:
- 2020.03.30
- 申请国别(地区):
- CN
- 年份:
- 2021
- 代理人:
- 摘要：
- 本发明提供一种色氨酸和组氨酸跨链交互作用的β‑发卡抗菌肽及制备方法。抗菌肽WHFPG，其序列如SEQ ID No.1所示。制备方法利用β‑发卡结构的排布原则，以色氨酸和组氨酸的交互作用形成两条β‑侧链的相互吸引，以PG转角作为中心转角单元，得出稳定的β‑发卡两亲性抗菌肽模板XWYHYPGXWYHY‑NH2，X＝R，Y＝F。本抗菌肽在制备治疗革兰氏阳性菌或/和革兰氏阴性菌引起的感染性疾病药物中的应用。本抗菌在中性pH条件和酸性pH条件下都可以发挥作用，在酸性pH条件下可以更强有力的抑制革兰氏阴性菌，治疗指数达到211.68，具有更广泛的临床应用潜力。
- 来源网站：
- 中国工程科技知识中心
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