German Cancer Research Center DKFZ, Core Facility Molecular Structural Analysis, Im Neuenheimer Feld 280, Heidelberg, Germany. r.ranzinger@dkfz.de|German Cancer Research Center DKFZ, Core Facility Molecular Structural Analysis, Im Neuenheimer Feld 280, Heidelberg, Germany. r.ranzinger@dkfz.de|German Cancer Research Center DKFZ, Core Facility Molecular Structural Analysis, Im Neuenheimer Feld 280, Heidelberg, Germany. r.ranzinger@dkfz.de|German Cancer Research Center DKFZ, Core Facility Molecular Structural Analysis, Im Neuenheimer Feld 280, Heidelberg, Germany. r.ranzinger@dkfz.de