Article
Compaction of chromatin by diverse Polycomb group proteins requires localized regions of high charge.
Genes & development - 15 Oct 2011
Grau Daniel J, Chapman Brad A, Garlick Joe D, Borowsky Mark, Francis Nicole J, Kingston Robert E
Abstract excerpt
Polycomb group (PcG) proteins are required for the epigenetic maintenance of developmental genes in a silent state. Proteins in the Polycomb-repressive complex 1 (PRC1) class of the PcG are conserved from flies to humans and inhibit transcription. One hypothesis for PRC1 mechanism is that it compacts chromatin, based in part on electron microscopy experiments demonstrating that Drosophila PRC1 compacts...
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