Structural model for the protein-translocating element of the twin-arginine transport system - Rodriguez, F; Rouse, SL; Tait, CE; Harmer, J; De, Riso A; Timmel, CR; Sansom, MSP; Berks, BC; Schnell, JR (PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2013)