Authors: Julie L Tubbs; Vitaly Latypov; Sreenivas Kanugula; Amna Butt; Manana Melikishvili; Rolf Kraehenbuehl; Oliver Fleck; Andrew Marriott; Amanda J Watson; Barbara Verbeek; Gail McGown; Mary Thorncroft; Mauro F Santibanez-Koref; Christopher Millington; Andrew S Arvai; Matthew D Kroeger; Lisa A Peterson; David M Williams; Michael G Fried; Geoffrey P Margison; Anthony E Pegg; John A Tainer Journal: Nature Date: 2009-06-11 Impact factor: 49.962