Susan Hafenstein, Laura M. Palermo, Victor A. Kostyuchenko, Chuan Xiao, Marc C. Morais, Christian D. S. Nelson, Valorie D. Bowman, Anthony J. Battisti, Paul R. Chipman, Colin R. Parrish, Michael G. Rossmann
Proc Natl Acad Sci U S A. 2007 Apr 17; 104(16): 6585–6589. Published online 2007 Apr 9. doi: 10.1073/pnas.0701574104