About the Authors
Department of Biochemistry, National Creative Research Initiative Center for Genome Regulation, Yonsei University, Seoul, Korea
Department of Molecular Biology, Sejong University, Seoul, Korea
The authors have declared that no competing interests exist.
LKK and YJK conceived and designed the experiments and wrote the paper. LKK, UYC, JSL, WBL, and JS performed the experiments. LKK, HSC, and YJK analyzed the data. LKK, JK, KJ, and JKH contributed reagents/materials/analysis tools.