1,864 results found
    1. Cell Biology
    2. Chromosomes and Gene Expression

    mRNA-programmed translation pauses in the targeting of E. coli membrane proteins

    Nir Fluman et al.
    Translation pauses occur in strategic positions to facilitate the production of properly folded membrane proteins in bacteria.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Protein translocation channel of mitochondrial inner membrane and matrix-exposed import motor communicate via two-domain coupling protein

    Rupa Banerjee et al.
    Two domains of the peripheral membrane protein Tim44 interact with two different sectors of a translocase to coordinate the translocation of proteins across the inner mitochondrial membrane.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Two-way communication between SecY and SecA suggests a Brownian ratchet mechanism for protein translocation

    William John Allen et al.
    Evidence is presented that supports a completely new, diffusion-driven mechanism for transporting proteins across membranes in bacteria.
    1. Biochemistry and Chemical Biology
    2. Computational and Systems Biology

    ATP-induced asymmetric pre-protein folding as a driver of protein translocation through the Sec machinery

    Robin A Corey et al.
    How the process of protein folding may be controlled by the Sec machinery to assist protein transport across membranes.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    A functional link between the co-translational protein translocation pathway and the UPR

    Rachel Plumb et al.
    Ire1α co-opts the Sec61 translocon channel to efficiently cleave its mRNA substrates during endoplasmic reticulum stress conditions.
    1. Biochemistry and Chemical Biology

    The ribosomal protein Asc1/RACK1 is required for efficient translation of short mRNAs

    Mary K Thompson et al.
    Asc1/RACK1 promotes the translation of mRNAs associated with the translational closed loop complex, which have short open reading frames and encode proteins required for core metabolic processes.
    1. Cell Biology

    Cytoplasmic translocation of the retinoblastoma protein disrupts sarcomeric organization

    Keigo Araki et al.
    TNF-α treatment induces phosphorylation and cytoplasmic translocation of the retinoblastoma protein, which regulates cytoskeletal organization in skeletal muscle cells.
    1. Chromosomes and Gene Expression

    The β-hairpin of 40S exit channel protein Rps5/uS7 promotes efficient and accurate translation initiation in vivo

    Jyothsna Visweswaraiah et al.
    A structural element of mRNA exit channel protein Rps5 performs a critical role in start codon recognition during translation initiation by stabilizing initiator tRNA binding to the pre-initiation complex.
    1. Structural Biology and Molecular Biophysics

    Dynamic action of the Sec machinery during initiation, protein translocation and termination

    Tomas Fessl et al.
    The complex process of protein translocation across membranes has been dissected into multiple key steps and the distributions of translocation rates indicate stochastic nature of the reaction.
    1. Neuroscience

    Insulin signaling controls neurotransmission via the 4eBP-dependent modification of the exocytotic machinery

    Rebekah Elizabeth Mahoney et al.
    By regulating protein translation within the neuron, insulin signaling can control neuronal activity by altering the release of neurotransmitter molecules.

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