1 Identification of Potential Human Polycomb Response Elements in T cells Suresh Cuddapah 1,4 , Xin Chen 2,4 , Zhenyu Xuan 3 , Tae-Young Roh 1 , Kairong Cui 1 , Andrew Smith 3 , Jung S. Byun 1 , Michael Q. Zhang 3 , Margaret T. Fuller 2 , and Keji Zhao 1,# 1: Laboratory of Molecular Immunology, NHLBI, NIH, Bethesda, MD 20892. 2: Department of Developmental Biology and Genetics, Stanford University School of Medicine, CA 94305. 3.Cold Spring Harbor Laboratory, 1 Bungtown Road, Cold Spring Harbor, NY 11724. 4: These authors contributed equally to this work. #: Corresponding author Contact information: Laboratory of Molecular Immunology, NHLBI, NIH 9000 Rockville Pike, Bethesda, MD 20892 Tel. (301) 496-2098 Fax. (301) 480-0961 E-mail: zhaok@nhlbi.nih.gov