1. Midwest Center for Structural Genomics Argonne National Laboratory Argonne IL USA
2. Structural Biology Center, Biosciences Division Argonne National Laboratory Argonne IL USA
3. Department of Molecular, Cellular and Developmental Biology University of California Santa Barbara CA USA
4. Department of Cell and Molecular Biology Uppsala University Uppsala Sweden
5. Biomolecular Science and Engineering Program University of California Santa Barbara CA USA
6. Department of Molecular Biology & Biochemistry University of California Irvine CA USA
7. Pharmaceutical Sciences University of California Irvine CA USA
8. Department of Biochemistry and Molecular Biology University of Chicago Chicago IL USA