Eaton E Lattman -
Department of Biophysics, Johns Hopkins University, Baltimore, Maryland 21218
Wim G. J Hol -
Howard Hughes Medical Institute, Department of Biochemistry and Biological Structure, University of Washington, Seattle, Washington 98195
Eddy Arnold -
Department of Chemistry and Chemical Biology, Center for Advanced Biotechnology and Medicine, Rutgers University, Piscataway, New Jersey 08854-5638