Metal-Chelating Inhibitors of a Zinc Finger Protein HIV-EP1. Remarkable Potentiation of Inhibitory Activity by Introduction of SH Groups
作者:Mikako Fujita、Masami Otsuka、Yukio Sugiura
DOI:10.1021/jm950831t
日期:1996.1.1
HIV-EP1 is a C2H2 type zinc finger protein which binds to DNA kappa B site present in the long terminal repeat of HIV provirus. Previously we have reported zinc chelators having histidine--pyridine--histidine skeleton and were successful in inhibiting the DNA binding of HIV-EP1 by removing zinc from the zinc finger domain. Aiming at the potentiation of the inhibitory activity of our previous zinc chelators
HIV-EP1是一种C2H2型锌指蛋白,可与HIV前病毒的长末端重复序列中存在的DNA kappa B位点结合。以前我们已经报道了具有组氨酸-吡啶-组氨酸骨架的锌螯合剂,并且通过从锌指结构域中去除锌而成功抑制了HIV-EP1的DNA结合。为了增强我们先前的锌螯合剂的抑制活性,本文合成了包含吡啶和氨基链烷硫醇的新型螯合剂。这些显示出对HIV-EP1的DNA结合的显着抑制活性。尤其是其中一个具有双(2-巯基乙基)氨基侧链的化合物,其抑制活性(IC50,约4 microM)比我们之前报道的最强抑制剂强10倍。