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Publication Abstract from PubMed

We report the use of fragment screening and fragment based drug design to develop a PI3gamma kinase fragment hit into a lead. Initial fragment hits were discovered by high concentration biochemical screening, followed by a round of virtual screening to identify additional ligand efficient fragments. These were developed into potent and ligand efficient lead compounds using structure guided fragment growing and merging strategies. This led to a potent, selective, and cell permeable PI3gamma kinase inhibitor with good metabolic stability that was useful as a preclinical tool compound.

Fragment based discovery of a novel and selective PI3 kinase inhibitor.,Hughes SJ, Millan DS, Kilty IC, Lewthwaite RA, Mathias JP, O'Reilly MA, Pannifer A, Phelan A, Stuhmeier F, Baldock DA, Brown DG Bioorg Med Chem Lett. 2011 Aug 6. PMID:21925880^[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.