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ID: ALA1155205
Journal: Bioorg Med Chem Lett
Title: Structure-activity relationship of isoform selective inhibitors of Rac1/1b GTPase nucleotide binding.
Authors: Beausoleil E, Chauvignac C, Taverne T, Lacombe S, Pognante L, Leblond B, Pallares D, Oliveira CD, Bachelot F, Carton R, Peillon H, Coutadeur S, Picard V, Lambeng N, Désiré L, Schweighoffer F.
Abstract: The synthesis of a series of berberine, phenantridine and isoquinoline derivatives was realized to explore their Rho GTPase nucleotide inhibitory activity. The compounds were evaluated in a nucleotide binding competition assay against Rac1, Rac1b, Cdc42 and in a cellular Rac GTPase activation assay. The insertion of 19 AA in the splice variant Rac1b is shown to be sufficient to introduce a conformational difference that allows compounds 4, 21, 22, and 26 to exhibit selective inhibition of Rac 1b over Rac1.
CiteXplore: 19716293