J Struct Biol 2015 Dec 21;192(3):470-477. Epub 2015 Oct 21.
University of Bordeaux, Chemistry and Biology of Membranes and Nanoobjects (CBMN), UMR 5248, Pessac, France; Centre National de la Recherche Scientifique (CNRS), CBMN, UMR 5248, Pessac, France. Electronic address: