1,570 results found
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    A RanGTP-independent mechanism allows ribosomal protein nuclear import for ribosome assembly

    Sabina Schütz et al.
    The Tsr2 carrier protein connects the nuclear import machinery with the ribosome assembly pathway.
    1. Cell Biology

    Prolyl dihydroxylation of unassembled uS12/Rps23 regulates fungal hypoxic adaptation

    Sara J Clasen et al.
    The protein uS12/Rps23 functions extra-ribosomally to control oxygen homeostasis in fission yeast.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    A non-canonical mechanism for Crm1-export cargo complex assembly

    Ute Fischer et al.
    Slx9 is a newly discovered type of RanGTP-binding protein required for Crm1-mediated nuclear export.
    1. Structural Biology and Molecular Biophysics

    Ribosome•RelA structures reveal the mechanism of stringent response activation

    Anna B Loveland et al.
    Cryo-EM structures of 70S•RelA ribosome complexes reveal how cognate deacyl-tRNA activates RelA.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Mechanism of ribosome rescue by ArfA and RF2

    Gabriel Demo et al.
    Cryo-EM structures reveal the structural dynamics of ArfA*RF2-mediated rescue of stalled ribosomes.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Consistent global structures of complex RNA states through multidimensional chemical mapping

    Clarence Yu Cheng et al.
    A multidimensional chemical mapping strategy enables confident determination of the structures of non-coding RNAs at 1-nm resolution, including previously intractable riboswitch and human regulon states.
    1. Cell Biology
    2. Genetics and Genomics

    The ribosomal P-stalk couples amino acid starvation to GCN2 activation in mammalian cells

    Heather P Harding et al.
    Genetic lesions that compromise the ribosome P-stalk implicate direct signalling from the ribosome to the translation initiation factor eIF2 kinase GCN2 in the cellular response to amino acid starvation.
    1. Structural Biology and Molecular Biophysics

    Mechanism of completion of peptidyltransferase centre assembly in eukaryotes

    Vasileios Kargas et al.
    Cryo-EM reveals how the central functional site of the ribosome is assembled and provides a framework to interpret the consequences of mutations linked to leukaemia-associated ribosomopathies.
    1. Structural Biology and Molecular Biophysics

    Structures of translationally inactive mammalian ribosomes

    Alan Brown et al.
    Mining electron cryomicroscopy data reveals new ribosomal interactions that preclude translation to potentially regulate gene expression.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Discovery of a small molecule that inhibits bacterial ribosome biogenesis

    Jonathan M Stokes et al.
    The anticonvulsant drug lamotrigine inhibits bacterial ribosome biogenesis and reveals an unexplored role for initiation factor 2 (IF2) in ribosome assembly.

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