Department of Genetics, Rosetta Inpharmatics, Seattle, Washington, USA.|Department of Genetics, Rosetta Inpharmatics, Seattle, Washington, USA.|Department of Genetics, Rosetta Inpharmatics, Seattle, Washington, USA.|Department of Genetics, Rosetta Inpharmatics, Seattle, Washington, USA.|Department of Genetics, Rosetta Inpharmatics, Seattle, Washington, USA.|Department of Genetics, Rosetta Inpharmatics, Seattle, Washington, USA.