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)