1. Department of Molecular & Cellular Biochemistry, Indiana University, Simon Hall Room 405C, 212 South Hawthorne Drive, Bloomington, Indiana 47405, United States
2. Structural Genomics Consortium, University of Toronto, Toronto, Ontario M5G 1L7, Canada
3. Department of Biochemistry and Molecular Biology, Tulane School of Medicine, New Orleans, Louisiana 70112, United States