1. Contribution from the Harvard Medical School, Department of Biological Chemistry and Molecular Pharmacology, 240 Longwood Avenue, Boston, Massachusetts 02115, Harvard Medical School, Laboratory for Translational Research, One Kendall Square, Building 600, Cambridge, Massachusetts 02139, Brigham and Women's Hospital, Department of Medicine, 75 Francis Street, Boston, Massachusetts 02115, Bruker Biospin, 15 Fortune Drive, Billerica, Massachusetts 01821, Delta Search Labs, 400 Technology Square, Cambridge,...