1. Department
of Chemistry, Stony Brook University, Stony Brook, New York 11794-3400, United States
2. Department
of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, New York 11794-5215, United States
3. Graduate
Program in Biochemistry and Structural Biology, Stony Brook University, Stony
Brook, New York 11794-5215, United States