Design, synthesis and biological evaluation of small molecule inhibitors of CD4-gp120 binding based on virtual screening.

Design, synthesis and biological evaluation of small molecule inhibitors of CD4-gp120 binding based on virtual screening.
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DOI:
10.1016/j.bmc.2010.11.049
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发表时间:
2011-01-01
影响因子:
3.5
通讯作者:
Smith, Amos B., III
Smith, Amos B., III
中科院分区:
医学3区
文献类型:
--
作者:
LaLonde, Judith M.;Elban, Mark A.;Courter, Joel R.;Sugawara, Akihiro;Soeta, Takahiro;Madani, Navid;Princiotto, Amy M.;Do Kwon, Young;Kwong, Peter D.;Schoen, Arne;Freire, Ernesto;Sodroski, Joseph;Smith, Amos B., III

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低分子量化合物JRC-II-191通过阻断HIV-1包膜糖蛋白gp 120与CD 4受体的结合来抑制HIV-1感染,因此是开发有效病毒进入抑制剂的重要先导。这里报道的是使用两种正交筛选方法,黄金对接和ROCS形状为基础的相似性搜索,以确定胺的积木,当共轭的核心支架,产生新的类似物,保持类似的亲和力gp 120。使用这种计算方法来扩大SAR产生的类似物具有相同的抑制活性,但具有不同的能力,以提高病毒感染。这种新的类似物为开发HIV-1进入抑制剂提供了额外的铅支架,该抑制剂在gp 120 Phe 43腔的前庭中采用蛋白质-配体相互作用。
The low-molecular-weight compound JRC-II-191 inhibits infection of HIV-1 by blocking the binding of the HIV-1 envelope glycoprotein gp120 to the CD4 receptor and is therefore an important lead in the development of a potent viral entry inhibitor. Reported here is the use of two orthogonal screening methods, GOLD docking and ROCS shape-based similarity searching, to identify amine-building blocks that, when conjugated to the core scaffold, yield novel analogues that maintain similar affinity for gp120. Use of this computational approach to expand SAR produced analogues of equal inhibitory activity but with diverse capacity to enhance viral infection. The novel analogues provide additional lead scaffolds for the development of HIV-1 entry inhibitors that employ protein-ligand interactions in the vestibule of gp120 Phe 43 cavity.
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