Valle, F.Derose, J. A.Dietler, G.Kawe, M.Pluckthun, A.Semenza, G.2007-06-202007-06-202007-06-20200110.1046/j.1365-2818.2001.00891.xhttps://infoscience.epfl.ch/handle/20.500.14299/9068Imaging the native structure of the chaperone protein GroEL without fixation using atomic force microscopytext::journal::journal article::research article