Krajewski, Wojciech W. and Fu, X. and Wilkinson, M. and Cronin, N.B. and Dillingham, M.S. and Wigley, D.B. (2014) Structural basis for translocation by AddAB helicase–nuclease and its arrest at χ sites. Nature 508 , pp. 416-419. ISSN 0028-0836.