Thomas Knoepfel, Pascal Furet, Robert Mah, Nicole Buschmann, Catherine Leblanc, Sebastien Ripoche, Diana Graus-Porta, Markus Wartmann, Inga Galuba, and Robin A. Fairhurst
ACS Med. Chem. Lett., Article ASAP
DOI: 10.1021/acsmedchemlett.7b00485
As part of a project to identify FGFR4 selective inhibitors, scaffold morphing of a 2-formylquinoline amide hit identified series of 2-formylpyridine ureas (2-FPUs) with improved potency and physicochemical properties. In particular, tetrahydronaphthyridine urea analogues with cellular activities below 30 nM have been identified. Consistent with the hypothesized reversible-covalent mechanism of inhibition, the 2-FPUs exhibited slow binding kinetics, and the aldehyde, as the putative electrophile, could be demonstrated to be a key structural element for activity.
A blog highlighting recent publications in the area of covalent modification of proteins, particularly relating to covalent-modifier drugs. @CovalentMod on Twitter, @covalentmod@mstdn.science on Mastodon, and @covalentmod.bsky.social on BlueSky
Chemoproteomic discovery of a covalent allosteric inhibitor of WRN helicase
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