Affiliation: | (1) Department of Chemistry, Yale University, Sterling Chemistry Laboratory, New Haven, CT, 06520, U.S.A.;(2) Department of Pharmacology, Yale University School of Medicine, 333 Cedar Street, New Haven, CT, 06520, U.S.A.;(3) Department of Molecular and Structural Biochemistry, North Carolina State University, Raleigh, NC, 27695, U.S.A.;(4) Department of Molecular Biology, Princeton University, Princeton, NJ, 08544, U.S.A. |