Institution: | 1 Department of Chemistry, The City College of New York, 160 Convent Avenue, New York, NY 10031, USA;2 Department of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, PA 16802, USA;3 The New York Structural Biology Center, 89 Convent Avenue, New York, NY 10027, USA;4 The Graduate Center of the City University of New York, 365 Fifth Avenue, New York, NY 10016, USA |