1. Department
of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
2. College
of Pharmacy, University of New Mexico, Albuquerque, New Mexico 87131, United States
3. Departments
of Molecular Biology and Biochemistry, Chemistry, and Pharmaceutical
Sciences, University of California, Irvine, Irvine, California 92697-3900, United States
4. Department
of Biochemistry, University of Texas Health Science Center in San Antonio, San Antonio, Texas 78229, United States