Structural Genomics Consortium, University of Toronto, Toronto, ON M5G1L7, Canada.|Structural Genomics Consortium, University of Toronto, Toronto, ON M5G1L7, Canada.|Structural Genomics Consortium, University of Toronto, Toronto, ON M5G1L7, Canada.|Structural Genomics Consortium, University of Toronto, Toronto, ON M5G1L7, Canada.|Structural Genomics Consortium, University of Toronto, Toronto, ON M5G1L7, Canada.