1,517 results found
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    The Rqc2/Tae2 subunit of the ribosome-associated quality control (RQC) complex marks ribosome-stalled nascent polypeptide chains for aggregation

    Ryo Yonashiro, Erich B Tahara ... Claudio AP Joazeiro
    Rqc2-mediated modification of ribosome-stalled nascent chains with "CAT tails" promotes formation of insoluble aggregates suggesting that proteins can become specifically marked for aggregation.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    In vitro analysis of RQC activities provides insights into the mechanism and function of CAT tailing

    Beatriz A Osuna, Conor J Howard ... David E Weinberg
    Yeast extracts recapitulate a quality-control pathway dedicated to rescuing stalled ribosomes, providing unexpected insights into a noncanonical elongation reaction and the fate of incompletely synthesized proteins.
    1. Neuroscience

    Thalamocortical synapses in the cat visual system in vivo are weak and unreliable

    Madineh Sedigh-Sarvestani, Larry A Palmer, Diego Contreras
    A characterization of LGN-V1 synaptic transmission properties demonstrates thalamocortical synapses in vivo are weak and unreliable, but biologically constrained models show they efficiently drive cortex.
    1. Biochemistry and Chemical Biology

    Single-molecule functional anatomy of endogenous HER2-HER3 heterodimers

    Byoungsan Choi, Minkwon Cha ... Tae-Young Yoon
    Single-molecule immunoprecipitation method reveals that the high catalytic rate and multi-tasking capability make a concerted contribution to the strong signaling potency of the HER2-HER3 heterodimers.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Phosphorylation-mediated PTEN conformational closure and deactivation revealed with protein semisynthesis

    David Bolduc, Meghdad Rahdar ... Philip Cole
    C-terminal phosphorylation of the lipid phosphatase PTEN drives a reduction in membrane affinity and leads to a more compact conformation that involves a C2 domain-tail interaction.
    1. Chromosomes and Gene Expression
    2. Structural Biology and Molecular Biophysics

    The conformation of the histone H3 tail inhibits association of the BPTF PHD finger with the nucleosome

    Emma A Morrison, Samuel Bowerman ... Catherine A Musselman
    The BPTF PHD finger is inhibited from binding the methylated H3 tails in the context of the nucleosome due to their robust interaction with the nucleosomal DNA, which can be modulated by additional histone PTMs.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    The kinesin-5 tail domain directly modulates the mechanochemical cycle of the motor domain for anti-parallel microtubule sliding

    Tatyana Bodrug, Elizabeth M Wilson-Kubalek ... Jawdat Al-Bassam
    Biochemical, single molecule, cell and structural biology studies reveal an interaction between the kinesin-5 tail and motor domains regulating high-force production, which is critical for microtubule sliding motility.
    1. Neuroscience

    Perceptual processing in the ventral visual stream requires area TE but not rhinal cortex

    Mark AG Eldridge, Narihisa Matsumoto ... Barry J Richmond
    Bilateral removal of cortical area 'TE' produced deficits in monkeys' ability to discriminate among images with many similar features, whereas removal of subjacent rhinal cortex did not.
    1. Developmental Biology

    Spinal neural tube formation and tail development in human embryos

    Chloe Santos, Abigail R Marshall ... Andrew J Copp
    Analysis of 108 human embryos aged 3–7 weeks reveals modes of primary and secondary neurulation, regulation of body elongation, somite formation rate, and common occurrence of a split neural tube.
    1. Cell Biology

    A novel GSK3-regulated APC:Axin interaction regulates Wnt signaling by driving a catalytic cycle of efficient βcatenin destruction

    Mira I Pronobis, Nasser M Rusan, Mark Peifer
    A new dynamic mechanistic model explains how the destruction complex negatively regulates Wnt signaling in development and oncogenesis.

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