Phenylalanine and Phenylglycine Analogues as Arginine Mimetics in Dengue Protease Inhibitors
作者:Lena F. Weigel、Christoph Nitsche、Dominik Graf、Ralf Bartenschlager、Christian D. Klein
DOI:10.1021/acs.jmedchem.5b00612
日期:2015.10.8
peptidic inhibitors of dengue virus protease that incorporate phenylalanine and phenylglycine derivatives as arginine-mimicking groups with modulated basicity. The most promising compounds were (4-amidino)-l-phenylalanine-containing inhibitors, which reached nanomolar affinities against dengue virus protease. The type and position of the substituents on the phenylglycine and phenylalanine side chains
登革热病毒是一种日益全球性的病原体。针对登革热和相关黄病毒(例如西尼罗河病毒)的抗病毒药物发现的有希望的目标之一是病毒丝氨酸蛋白酶NS2B-NS3。我们在这里报告了登革热病毒蛋白酶的强肽抑制剂的合成和体外表征,该抑制剂结合了苯丙氨酸和苯甘氨酸衍生物作为具有调节碱性的精氨酸模拟基团。最有前途的化合物是(4-脒基) -升-含苯丙氨酸的抑制剂,对登革热病毒蛋白酶达到纳摩尔亲和力。苯基甘氨酸和苯丙氨酸侧链上的取代基的类型和位置对针对登革热病毒蛋白酶的抑制活性和对其他蛋白酶的选择性具有显着影响。另外,本文所述的非天然碱性氨基酸可能与其他肽类和拟肽类药物的开发有关,例如凝血级联的抑制剂。