1 Lab of Receptor Biology and Gene Expression, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA. Electronic address: hagerg@exchange.nih.gov.
2 Lab of Chromatin Structure and Function, Institute for Quantitative Biosciences, The University of Tokyo, Tokyo, Japan. Electronic address: kurumizaka@iqb.u-tokyo.ac.jp.