[1] Broad Inst, Chem Biol & Therapeut Sci Program, Cambridge, MA USA
[2] Novartis Inst Biomed Res, Global Discovery Chem, Cambridge, MA USA
[3] Novartis Inst Biomed Res, Global Discovery Chem, Basel, Switzerland
[4] Harvard Univ, Chem & Chem Biol, Cambridge, MA 02138 USA
[5] Howard Hughes Med Inst, Cambridge, MA USA