Max F. Perutz Laboratories, University of Vienna, Campus Vienna Biocenter, Vienna, Austria.|Max F. Perutz Laboratories, University of Vienna, Campus Vienna Biocenter, Vienna, Austria.|Max F. Perutz Laboratories, University of Vienna, Campus Vienna Biocenter, Vienna, Austria.|Max F. Perutz Laboratories, University of Vienna, Campus Vienna Biocenter, Vienna, Austria.|Max F. Perutz Laboratories, University of Vienna, Campus Vienna Biocenter, Vienna, Austria.