Valle, F.DeRose, J. A.Dietler, G.Kawe, M.Pluckthun, A.Semenza, G.2007-06-202007-06-202007-06-20200210.1016/S0304-3991(02)00149-3https://infoscience.epfl.ch/handle/20.500.14299/9075AFM structural study of the molecular chaperone GroEL and its two-dimensional crystals: an ideal "living" calibration sampletext::journal::journal article::research article