Structural highlights
FunctionPublication Abstract from PubMedFragment-based drug discovery has played an important role in medicinal chemistry and pharmaceutical research. Despite numerous demonstrated successes, the limited diversity and overrepresentation of planar, sp(2)-rich structures in commercial libraries often hamper the full potential of this approach. Hence, the thorough design of screening libraries inevitably determines the probability for meaningful hits and subsequent structural elaboration. Against this background, we present the generation of an exclusive fragment library based on iterative entry nomination by a specifically designed computational workflow: "Fragtory". Following a pharmacophore diversity-driven approach, we used Fragtory in an interdisciplinary academic setting to guide both tailored synthesis efforts and the implementation of in-house compounds to build a curated 288-member library of sp(3)-enriched fragments. Subsequent NMR screens against a model protein and hit validation by protein crystallography led to the identification of structurally novel ligands that were further characterized by isothermal titration calorimetry, demonstrating the applicability of our experimental approach. Fragtory: Pharmacophore-Focused Design, Synthesis, and Evaluation of an sp(3)-Enriched Fragment Library.,Buhrmann M, Kallepu S, Warmuth JD, Wiese JN, Ehrt C, Vatheuer H, Hiller W, Seitz C, Levy L, Czodrowski P, Sievers S, Muller MP, Rauh D J Med Chem. 2023 May 11;66(9):6297-6314. doi: 10.1021/acs.jmedchem.3c00187. Epub , 2023 May 2. PMID:37130057[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. References
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