Nucleosome / Complex / NUCLEAR PROTEIN / NUCLEAR PROTEIN-DNA complex
Function / homology
Function and homology information
negative regulation of tumor necrosis factor-mediated signaling pathway / negative regulation of megakaryocyte differentiation / protein localization to CENP-A containing chromatin / Chromatin modifying enzymes / Replacement of protamines by nucleosomes in the male pronucleus / CENP-A containing nucleosome / heterochromatin organization / epigenetic regulation of gene expression / Packaging Of Telomere Ends / Recognition and association of DNA glycosylase with site containing an affected purine ...negative regulation of tumor necrosis factor-mediated signaling pathway / negative regulation of megakaryocyte differentiation / protein localization to CENP-A containing chromatin / Chromatin modifying enzymes / Replacement of protamines by nucleosomes in the male pronucleus / CENP-A containing nucleosome / heterochromatin organization / epigenetic regulation of gene expression / Packaging Of Telomere Ends / Recognition and association of DNA glycosylase with site containing an affected purine / Cleavage of the damaged purine / Deposition of new CENPA-containing nucleosomes at the centromere / nucleosomal DNA binding / Recognition and association of DNA glycosylase with site containing an affected pyrimidine / Cleavage of the damaged pyrimidine / Inhibition of DNA recombination at telomere / Meiotic synapsis / telomere organization / RNA Polymerase I Promoter Opening / Interleukin-7 signaling / Assembly of the ORC complex at the origin of replication / SUMOylation of chromatin organization proteins / DNA methylation / Condensation of Prophase Chromosomes / ERCC6 (CSB) and EHMT2 (G9a) positively regulate rRNA expression / SIRT1 negatively regulates rRNA expression / Chromatin modifications during the maternal to zygotic transition (MZT) / HCMV Late Events / PRC2 methylates histones and DNA / innate immune response in mucosa / Defective pyroptosis / HDACs deacetylate histones / RNA Polymerase I Promoter Escape / lipopolysaccharide binding / Nonhomologous End-Joining (NHEJ) / Transcriptional regulation by small RNAs / Formation of the beta-catenin:TCF transactivating complex / RUNX1 regulates genes involved in megakaryocyte differentiation and platelet function / NoRC negatively regulates rRNA expression / Activated PKN1 stimulates transcription of AR (androgen receptor) regulated genes KLK2 and KLK3 / B-WICH complex positively regulates rRNA expression / G2/M DNA damage checkpoint / HDMs demethylate histones / DNA Damage/Telomere Stress Induced Senescence / Metalloprotease DUBs / PKMTs methylate histone lysines / Meiotic recombination / RMTs methylate histone arginines / Pre-NOTCH Transcription and Translation / Activation of anterior HOX genes in hindbrain development during early embryogenesis / HCMV Early Events / Transcriptional regulation of granulopoiesis / structural constituent of chromatin / antimicrobial humoral immune response mediated by antimicrobial peptide / UCH proteinases / nucleosome / nucleosome assembly / E3 ubiquitin ligases ubiquitinate target proteins / Recruitment and ATM-mediated phosphorylation of repair and signaling proteins at DNA double strand breaks / chromatin organization / RUNX1 regulates transcription of genes involved in differentiation of HSCs / Factors involved in megakaryocyte development and platelet production / HATs acetylate histones / gene expression / Processing of DNA double-strand break ends / antibacterial humoral response / Senescence-Associated Secretory Phenotype (SASP) / Oxidative Stress Induced Senescence / defense response to Gram-negative bacterium / Estrogen-dependent gene expression / killing of cells of another organism / chromosome, telomeric region / Ub-specific processing proteases / defense response to Gram-positive bacterium / cadherin binding / protein heterodimerization activity / Amyloid fiber formation / negative regulation of cell population proliferation / protein-containing complex / DNA binding / RNA binding / extracellular space / extracellular exosome / extracellular region / nucleoplasm / membrane / nucleus / cytosol Similarity search - Function
Japan Agency for Medical Research and Development (AMED)
JP22ama121009
Japan
Japan Science and Technology
JPMJER1901
Japan
Japan Society for the Promotion of Science (JSPS)
JP20K06599
Japan
Japan Society for the Promotion of Science (JSPS)
JP21H05154
Japan
Japan Science and Technology
JPMJPR18K9
Japan
Citation
Journal: Commun Biol / Year: 2024 Title: Genome-wide mapping and cryo-EM structural analyses of the overlapping tri-nucleosome composed of hexasome-hexasome-octasome moieties. Authors: Masahiro Nishimura / Takeru Fujii / Hiroki Tanaka / Kazumitsu Maehara / Ken Morishima / Masahiro Shimizu / Yuki Kobayashi / Kayo Nozawa / Yoshimasa Takizawa / Masaaki Sugiyama / Yasuyuki ...Authors: Masahiro Nishimura / Takeru Fujii / Hiroki Tanaka / Kazumitsu Maehara / Ken Morishima / Masahiro Shimizu / Yuki Kobayashi / Kayo Nozawa / Yoshimasa Takizawa / Masaaki Sugiyama / Yasuyuki Ohkawa / Hitoshi Kurumizaka / Abstract: The nucleosome is a fundamental unit of chromatin in which about 150 base pairs of DNA are wrapped around a histone octamer. The overlapping di-nucleosome has been proposed as a product of chromatin ...The nucleosome is a fundamental unit of chromatin in which about 150 base pairs of DNA are wrapped around a histone octamer. The overlapping di-nucleosome has been proposed as a product of chromatin remodeling around the transcription start site, and previously found as a chromatin unit, in which about 250 base pairs of DNA continuously bind to the histone core composed of a hexamer and an octamer. In the present study, our genome-wide analysis of human cells suggests another higher nucleosome stacking structure, the overlapping tri-nucleosome, which wraps about 300-350 base-pairs of DNA in the region downstream of certain transcription start sites of actively transcribed genes. We determine the cryo-electron microscopy (cryo-EM) structure of the overlapping tri-nucleosome, in which three subnucleosome moieties, hexasome, hexasome, and octasome, are associated by short connecting DNA segments. Small angle X-ray scattering and coarse-grained molecular dynamics simulation analyses reveal that the cryo-EM structure of the overlapping tri-nucleosome may reflect its structure in solution. Our findings suggest that nucleosome stacking structures composed of hexasome and octasome moieties may be formed by nucleosome remodeling factors around transcription start sites for gene regulation.
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