1. School of Fundamental SciencesMassey University Private Bag 11 222 Palmerston North 4442 New Zealand
2. Department of Medicinal ChemistryUniversity of Minnesota 2231 6th Street SE Minneapolis MN 55455 USA
3. Maurice Wilkins Centre for Molecular Biodiscovery Private Bag 92019 Auckland 1142 New Zealand
4. Department of ChemistryUniversity of Minnesota 207 Pleasant St SE Minneapolis MN 55455 USA
5. Division of Infectious DiseasesDepartment of MedicineVanderbilt University School of Medicine 21st Ave S Nashville TN 37232 USA
6. Division of Infectious Diseases andNorthwestern HIV Translational Research CenterDepartment of MedicineNorthwestern University Feinberg School of Medicine 676 N. St. Clair Street Suite 2330 Chicago IL 60611 USA
7. Department of BiochemistryUniversity of Otago P. O. Box 56 Dunedin 9054 New Zealand