Chromatin Compaction by Human MeCP2 ASSEMBLY OF NOVEL SECONDARY CHROMATIN STRUCTURES IN THE ABSENCE OF DNA METHYLATION*

From the ‡Department of Biochemistry, University of Texas Health Science Center, San Antonio, Texas 78229-3900, the §Department of Biological Sciences, Marshall University, Huntington, West Virginia 25755, the ¶Department of Biology, University of Massachusetts, Amherst, Massachusetts 01003, and the Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, Georgia 30322