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We previously identified and purified a nucleolar phosphoprotein, nucleophosmin/B23, as a stimulatory factor for replication from the adenovirus chromatin. We show here that nucleophosmin/B23 functions as a histone chaperone protein such as nucleoplasmin, TAF-I, and NAP-I. Nucleophosmin/B23 was shown to bind to histones, preferentially to histone H3, to mediate formation of nucleosome, and to decondense sperm chromatin. These activities of B23 were dependent on its acidic regions as other histone chaperones, suggesting that B23/nucleophosmin is a member of histone chaperone proteins. 相似文献
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Juliana Nunes Rosn Marcela de Oliveira Vitarelli Hllida Marina Costa-Silva Kamille Schmitt Pereira David da Silva Pires Leticia de Sousa Lopes Barbara Cordeiro Amelie J. Kraus Karin Navarro Tozzi Cruz Simone Guedes Calderano Stenio Perdigo Fragoso T. Nicolai Siegel Maria Carolina Elias Julia Pinheiro Chagas da Cunha 《PLoS pathogens》2022,18(2)
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Chromatin: linking structure and function in the nucleolus 总被引:1,自引:0,他引:1
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