1. Molecular
Targets Laboratory,
Molecular Discovery Program, Center for Cancer Research, NCI-Frederick, Frederick, Maryland 21702, United States
2. Department of NMR Based Structural
Biology, Max Planck Institute for Biophysical Chemistry, Am Fassberg 11, 37077 Göttingen, Germany
3. SAIC-Frederick, Inc., Frederick, Maryland 21702, United States
4. Laboratory of Experimental Immunology,
Cancer and Inflammation Program, Center for Cancer Research, NCI-Frederick, Frederick, Maryland 21702, United States