1. Department of Chemical and Biological Sciences, Polytechnic Institute of New York University, Brooklyn, New York 11201, Pathways Bioinformatics & Biomolecular Center, The City College, CUNY, New York, New York 10031, Department of Biochemistry, NYU School of Medicine, 550 First Avenue, New York, New York 10016, Department of Biology and Computer Science, New York University, New York, New York 10003, Department of Biochemistry, SUNY-Downstate Medical Center, Brooklyn, New York 11203