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Iera J.A.,Laboratory of Bioorganic Chemistry and Kidney Disease Section | Jenkins L.M.M.,NCI Inc | Kajiyama H.,Laboratory of Bioorganic Chemistry and Kidney Disease Section | Kopp J.B.,Laboratory of Bioorganic Chemistry and Kidney Disease Section | Appella D.H.,Laboratory of Bioorganic Chemistry and Kidney Disease Section
Bioorganic and Medicinal Chemistry Letters | Year: 2010

Inhibitors for protein-protein interactions are challenging to design, in part due to the unique and complex architectures of each protein's interaction domain. Most approaches to develop inhibitors for these interactions rely on rational design, which requires prior structural knowledge of the target and its ligands. In the absence of structural information, a combinatorial approach may be the best alternative to finding inhibitors of a protein-protein interaction. Current chemical libraries, however, consist mostly of molecules designed to inhibit enzymes. In this manuscript, we report the synthesis and screening of a library based on an N-acylated polyamine (NAPA) scaffold that we designed to have specific molecular features necessary to inhibit protein-protein interactions. Screens of the library identified a member with favorable binding properties to the HIV viral protein R (Vpr), a regulatory protein from HIV, that is involved in numerous interactions with other proteins critical for viral replication. © 2010 Elsevier Ltd. All rights reserved.

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