28 results found
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Novel ATP-cone-driven allosteric regulation of ribonucleotide reductase via the radical-generating subunit

    Inna Rozman Grinberg et al.
    Structural and functional characterization of an unanticipated mode of allosteric activity regulation in ribonucleotide reductases controlled by an ATP-cone in the radical-generating subunit.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    3.3-Å resolution cryo-EM structure of human ribonucleotide reductase with substrate and allosteric regulators bound

    Edward J Brignole et al.
    Cryo-electron microscopy structures of human ribonucleotide reductase reveal molecular details of substrate selection and allosteric inhibition through assembly of its large subunit into a ring that excludes its small subunit.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Molecular basis for allosteric specificity regulation in class Ia ribonucleotide reductase from Escherichia coli

    Christina M Zimanyi et al.
    Substrate and effector bound structures of a bacterial ribonucleotide reductase reveal the molecular basis by which substrate preference is modulated by a distal site on the enzyme.
    1. Developmental Biology

    Glucose inhibits cardiac muscle maturation through nucleotide biosynthesis

    Haruko Nakano et al.
    During cardiogenesis, the major role of glucose is not the catabolic extraction of energy but the anabolic biosynthesis of nucleotides.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Proteomic analysis of cell cycle progression in asynchronous cultures, including mitotic subphases, using PRIMMUS

    Tony Ly et al.
    A detailed analysis of protein abundance and phosphorylation changes across mitotic subphases and interphase in asynchronously growing human cells has been enabled by combining FACS with quantitative MS-based proteomics.
    1. Cell Biology

    Reactivation of RNA metabolism underlies somatic restoration after adult reproductive diapause in C. elegans

    Nikolay Burnaevskiy et al.
    Morphological and functional rejuvenation upon exit from adult reproductive diapause in C. elegans is independent of germline signaling, but instead involves somatic nucleolar activation and expansion of the RNA pool.
    1. Chromosomes and Gene Expression

    Histone H3G34R mutation causes replication stress, homologous recombination defects and genomic instability in S. pombe

    Rajesh K Yadav et al.
    Mutation of Glycine 34 to Arginine within the N-terminal tail of histone H3 alters post-translational modifications on Lysine 36 and is associated with a delay in replication restart, defective homologous recombination and an increase in genomic instability.
    1. Microbiology and Infectious Disease

    Temporal proteomic analysis of HIV infection reveals remodelling of the host phosphoproteome by lentiviral Vif variants

    Edward JD Greenwood et al.
    A comprehensive whole cell proteomic map describing expression time courses of >6,500 viral and cellular proteins during HIV infection identifies Vif-dependent antagonism of key cellular phosphatase PP2A.
    1. Chromosomes and Gene Expression

    Translesion polymerase kappa-dependent DNA synthesis underlies replication fork recovery

    Peter Tonzi et al.
    Translesion polymerase kappa promotes replication fork restart to maintain genome stability during conditions of nucleotide deprivation.
    1. Cell Biology

    The Mitotic Exit Network integrates temporal and spatial signals by distributing regulation across multiple components

    Ian Winsten Campbell et al.
    By distributing regulation to both the GTPase and downstream kinases, the Mitotic Exit Network creates a single signal from spatial and temporal inputs.

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