Elucidating the Structural Requirement of Uridylpeptide Antibiotics for Antibacterial Activity
作者:Yuma Terasawa、Chisato Sataka、Toyotaka Sato、Kazuki Yamamoto、Yukari Fukushima、Chie Nakajima、Yasuhiko Suzuki、Akira Katsuyama、Takanori Matsumaru、Fumika Yakushiji、Shin-ichi Yokota、Satoshi Ichikawa
DOI:10.1021/acs.jmedchem.0c00973
日期:2020.9.10
The synthesis and biological evaluation of analogues of uridylpeptide antibiotics were described, and the molecular interaction between the 3′-hydroxy analogue of mureidomycin A (3′-hydroxymureidomycin A) and its target enzyme, phospho-MurNAc-pentapeptide transferase (MraY), was analyzed in detail. The structure–activity relationship (SAR) involving MraY inhibition suggests that the side chain at the
描述了尿苷肽抗生素类似物的合成和生物学评估,并证明了莫来霉素A(3'-羟基尿素霉素A)的3'-羟基类似物与其靶酶磷酸-MurNAc-五肽转移酶(MraY)之间的分子相互作用。详细分析。涉及MraY抑制的结构活性关系(SAR)表明,尿素-二肽部分的侧链不影响MraY抑制。但是,抗铜绿假单胞菌活性形成了鲜明的对比,而尿素-二肽基序是关键的贡献者。还建议核苷肽渗透酶NppA1A2BCD负责3'-羟基mureidomycin A进入细胞质的转运。进一步进行了3'-羟基mureidomycin A尿素-二肽部分的系统SAR分析,并确定了抗菌活性。该研究为基于尿苷肽抗生素的类似物的合理设计提供了指导。