1. Department
of Biophysics, University of Texas Southwestern Medical Center, 5323
Harry Hines Boulevard, Dallas, Texas 75390, United States
2. Department
of Biochemistry, University of Texas Southwestern Medical Center, 5323
Harry Hines Boulevard, Dallas, Texas 75390, United States
3. Structural
Biology Initiative, CUNY Advanced Science Research Center, New York, New York 10031, United States
4. Department
of Chemistry and Biochemistry, City College of New York, New York, New York 10031, United States