1. Center for Advanced Biotechnology and Medicine and Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, New Jersey 08854-5627
2. Current address, Christopher Bond Life Sciences Center, Department of Molecular Microbiology and Immunology, University of Missouri School of Medicine, Columbia, Missouri 65211-7310
3. Department of Medicine, Division of Infectious Diseases, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15261-0001
4. Department of Chemistry and Chemical Biology and BIOMAPS Institute for Quantitative Biology, Rutgers University, Piscataway, New Jersey 08854-8066
5. Basic Research Program, SAIC-Frederick, Inc., Frederick, Maryland 21702-1201
6. HIV Drug Resistance Program, NCI-Frederick, Building 539, Frederick, Maryland 21702-1201