Rational Design of Novel Highly Potent and Selective Phosphatidylinositol 4-Kinase IIIβ (PI4KB) Inhibitors as Broad-Spectrum Antiviral Agents and Tools for Chemical Biology
作者:Ivana Mejdrová、Dominika Chalupská、Pavla Plačková、Christin Müller、Michal Šála、Martin Klíma、Adriana Baumlová、Hubert Hřebabecký、Eliška Procházková、Milan Dejmek、Dmytro Strunin、Jan Weber、Gary Lee、Marika Matoušová、Helena Mertlíková-Kaiserová、John Ziebuhr、Gabriel Birkus、Evzen Boura、Radim Nencka
DOI:10.1021/acs.jmedchem.6b01465
日期:2017.1.12
the inhibition of this PI4K isoform leads to the arrest of viral replication. Here, we report on the synthesis of novel PI4KB inhibitors, which were rationally designed based on two distinct structural types of inhibitors that bind in the ATP binding side of PI4KB. These “hybrids” not only excel in outstanding inhibitory activity but also show high selectivity to PI4KB compared to other kinases. Thus
磷脂酰肌醇4-激酶IIIβ(PI4KB)对于各种正反义单链RNA病毒的复制是必不可少的,后者会劫持这种细胞酶以重塑受感染细胞的细胞内膜,从而建立功能性复制机制。因此,对该PI4K同工型的抑制导致病毒复制的停止。在这里,我们报告了新型PI4KB抑制剂的合成,这些抑制剂是根据抑制剂在PI4KB的ATP结合侧结合的两种不同结构类型进行合理设计的。与其他激酶相比,这些“杂种”不仅具有出色的抑制活性,而且对PI4KB表现出很高的选择性。因此,这些化合物对PI4KB具有选择性的纳摩尔或什至亚纳摩尔活性,并且对丙型肝炎病毒,人鼻病毒,和柯萨奇病毒B3。我们的晶体学分析揭示了侧链的确切位置,并解释了它们对抑制活性的广泛贡献。