22 results found
    1. Structural Biology and Molecular Biophysics

    The RNF168 paralog RNF169 defines a new class of ubiquitylated histone reader involved in the response to DNA damage

    Julianne Kitevski-LeBlanc, Amélie Fradet-Turcotte ... Lewis E Kay
    A structural model of the dynamic complex comprising the histone reader RNF169 bound to an ubiquitylated nucleosome core particle reveals a three-pronged binding mechanism, which provides specificity for the recognition of DNA double-strand break sites.
    1. Chromosomes and Gene Expression
    2. Structural Biology and Molecular Biophysics

    Nucleosome conformation dictates the histone code

    Matthew R Marunde, Harrison A Fuchs ... Catherine A Musselman
    NMR spectroscopy, dCypher assays, and CUT&RUN demonstrate that occlusion of the histone tails in the nucleosome context alters histone PTM specificity for a tandem of reader domains.
    1. Developmental Biology
    2. Microbiology and Infectious Disease

    The Wolbachia cytoplasmic incompatibility enzyme CidB targets nuclear import and protamine-histone exchange factors

    John Frederick Beckmann, Gagan Deep Sharma ... Mark Hochstrasser
    Genetic and proteomic screening with Wolbachia's CidB enzyme reveal the mechanisms and targets of cytoplasmic incompatibility (CI).
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    VivosX, a disulfide crosslinking method to capture site-specific, protein-protein interactions in yeast and human cells

    Chitra Mohan, Lisa M Kim ... Ed Luk
    An in vivo disulfide crosslinking assay shows preferential disassembly of nucleosomes with two H2A.Z histones by transcription machinery in yeast and conjugation to one or two ubiquitin moieties in human cells.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Hemi-methylated DNA regulates DNA methylation inheritance through allosteric activation of H3 ubiquitylation by UHRF1

    Joseph S Harrison, Evan M Cornett ... Scott B Rothbart
    Epigenetic modifications to DNA can regulate E3 ubiquitin ligase activity in human cells.
    1. Chromosomes and Gene Expression

    SUV39 SET domains mediate crosstalk of heterochromatic histone marks

    Alessandro Stirpe, Nora Guidotti ... Thomas Schalch
    Clr4, a highly conserved SUV39 histone methyltransferase, requires its SET domain to sense histone H3K14 ubiquitination in order to maintain heterochromatin and H3K9 methylation.
    1. Chromosomes and Gene Expression

    RYBP stimulates PRC1 to shape chromatin-based communication between Polycomb repressive complexes

    Nathan R Rose, Hamish W King ... Robert J Klose
    The E3 ubiquitin ligase activity of polycomb repressive complex 1 is stimulated by RYBP to support a histone modification-dependent communication between polycomb repressive complexes in mice.
    1. Chromosomes and Gene Expression

    Histone H2B ubiquitylation represses gametogenesis by opposing RSC-dependent chromatin remodeling at the ste11 master regulator locus

    Philippe Materne, Enrique Vázquez ... Damien Hermand
    Building on previous work (Materne et al., 2015), it is shown that the ubiquitylation of histone H2B represses cell differentiation by opposing chromatin remodeling at the promoter of the master regulator of gametogenesis, ste11
    1. Cell Biology
    2. Developmental Biology

    Distinct and diverse chromatin proteomes of ageing mouse organs reveal protein signatures that correlate with physiological functions

    Giorgio Oliviero, Sergey Kovalchuk ... Ole N Jensen
    Quantitative proteomics reveals the diversity and heterogeneity of nuclear proteomes in mammalian organs and identifies the molecular features of ageing.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    SPRTN is a mammalian DNA-binding metalloprotease that resolves DNA-protein crosslinks

    Jaime Lopez-Mosqueda, Karthik Maddi ... Ivan Dikic
    SPRTN is a protease essential for the repair of cytotoxic DNA-protein cross links and this function is defective in patients afflicted with Ruijs-Aalfs syndrome -a segmental progeroid syndrome.

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