| Affiliation: | (1) Protein Engineering Network of Centres of Excellence, University of Toronto, M5S 1A8 Toronto, ON, Canada;(2) Department of Medical Genetics, University of Toronto, M5S 1A8 Toronto, ON, Canada;(3) Department of Biochemistry, University of Toronto, M5S 1A8 Toronto, ON, Canada;(4) Department of Chemistry, University of Toronto, M5S 1A8 Toronto, ON, Canada;(5) Laboratory of Chemical Physics, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, 20892 Bethesda, MD, U.S.A.;(6) Bone Research Branch, National Institute of Dental Research, National Institutes of Health, 20892 Bethesda, MD, U.S.A. |
