1 Department of Biochemistry, Biocenter of the University of Würzburg, Würzburg, Germany. Electronic address: clemens.grimm@biozentrum.uni-wuerzburg.de.
2 Section Leader of Transcription and Gene Regulation, The Hormel Institute, University of Minnesota, Austin, MN, USA. Electronic address: liu00794@umn.edu.
3 Biocenter and Rudolf Virchow Center, Julius- Maximilians-Universität of Würzburg, Würzburg, Germany. Electronic address: vanessa.flegler@uni-wuerzburg.de.
4 Department of Therapeutic Discovery, Amgen Research, Amgen Inc., South San Francisco, CA, USA. Electronic address: jkim26@amgen.com.