Footprint-based identification of viral entry inhibitors targeting HIVgp41.

Footprint-based identification of viral entry inhibitors targeting HIVgp41.
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DOI:
10.1016/j.bmcl.2012.02.017
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发表时间:
2012-04-15
影响因子:
2.7
通讯作者:
Rizzo, Robert C.
Rizzo, Robert C.
中科院分区:
医学4区
文献类型:
--
作者:
Holden, Patrick M.;Kaur, Harmeet;Goyal, Rashi;Gochin, Miriam;Rizzo, Robert C.

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利用DOCK对HIVgp41上的n -螺旋疏水口袋进行了针对性的虚拟筛选,然后使用基于足迹的评分函数重新排序,该函数以天然gp41 c -螺旋残基为参考。在筛选的约50万个小分子中,购买了115个,鉴定出7个命中具有良好的结合(Ki)、细胞-细胞融合(IC50)和细胞毒性(CC50)谱。如果没有使用足迹,七种活性化合物中的三种就不会被发现,这表明当已知的参考化合物或底物可用时,该方法用于基于结构的设计的实用性。
A targeted virtual screen to the N-helix hydrophobic pocket on HIVgp41 was performed using DOCK followed by re-ranking with a new footprint-based scoring function which employed native gp41 C-helix residues as a reference. Of ca. 500,000 small molecules screened, 115 were purchased, and 7 hits were identified with favorable binding (Ki), cell-cell fusion (IC50), and cytotoxicity (CC50) profiles. Three of the seven active compounds would not have been discovered without the use of the footprints, demonstrating the utility of the method for structure-based design when a known reference compound or substrate is available.
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