1. Department of Pharmacology, University of California at San Diego, La Jolla, CA 92093, USA.
2. Biomedical Sciences Graduate Program, University of California at San Diego, La Jolla, CA 92093, USA.
3. Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California at San Diego, La Jolla, CA 92093, USA.
4. Institute of Biochemistry and Center for Molecular Biosciences, University of Innsbruck, Innsbruck A-6020, Austria.
5. Institute of Bioinformatics, University of Georgia, Athens, GA 30602, USA.
6. Department of Biochemistry and Molecular Biology, University of Georgia, Athens, GA 30602, USA.
7. Department of Pharmaceutical and Biomedical Sciences, College of Pharmacy, University of Georgia, Athens, GA 30602, USA.
8. Department of Medicine, University of California at San Diego, La Jolla, CA 92093, USA.
9. Department of Chemistry and Biochemistry, University of California at San Diego, La Jolla, CA 92093, USA.