Journal
KINETOCHORES AND CHROMOSOME SEGREGATION
Volume 64, Issue 2, Pages 205-221Publisher
PORTLAND PRESS LTD
DOI: 10.1042/EBC20190074
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Funding
- Centre for Molecular Medicine Norway (NCMM)
- Norwegian Research Council [261395]
- Department of Chemistry, University of Oslo
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The centromere is a chromosome locus that directs equal segregation of chromosomes during cell division. A nucleosome containing the histone H3 variant CENP-A epigenetically defines the centromere. Here, we summarize findings from recent structural biology studies, including several CryoEM structures, that contributed to elucidate specific features of the CENP-A nucleosome and molecular determinants of its interactions with CENP-C and CENP-N, the only two centromere proteins that directly bind to it. Based on those findings, we propose a role of the CENP-A nucleosome in the organization of centromeric chromatin beyond binding centromeric proteins.
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