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ID: ALA4387775
Journal: Bioorg Med Chem Lett
Title: Minimum structural requirements for inhibitors of the zinc finger protein TRAF6.
Authors: Radwan MO, Koga R, Hida T, Ejima T, Kanemaru Y, Tateishi H, Okamoto Y, Inoue JI, Fujita M, Otsuka M.
Abstract: Zinc fingers have rarely been regarded as drug targets. On the contrary, the zinc-binding site of enzymes has often been considered a target of inhibitors. We previously developed a dithiol compound called SN-1 that binds to the zinc finger protein tumor necrosis factor receptor-associated factor 6 (TRAF6) and suppresses downstream nuclear factor-κB (NF-κB) signaling. To determine the minimal structure requirements of TRAF6 inhibitors based on SN-1, NF-κB inhibitory activity and cytotoxicity of its derivatives including new compounds were examined. SN-2, an oxidative type of prodrug of SN-1 with 2-nitrophenylthio groups via disulfide, has the minimum structure for an inhibitor of TRAF6, as seen with cellular experiments. The importance of two side chains with a thiol group was shown with molecular modelling. This study may lead to development of selective TRAF6 inhibitors in the near future.
CiteXplore: 31272791