2,923 results found
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Conformational dynamics of the nucleotide binding domains and the power stroke of a heterodimeric ABC transporter

    Smriti Mishra et al.
    The conformational cycle of an ABC heterodimeric transporter reveals a divergence in the structural mechanism of ABC exporters.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Conformational and dynamic plasticity in substrate-binding proteins underlies selective transport in ABC importers

    Marijn de Boer et al.
    Selective import via bacterial ABC importers is facilitated by a hitherto unrecognized complexity in the conformational dynamics of the substrate-binding proteins.
    1. Neuroscience

    APP modulates KCC2 expression and function in hippocampal GABAergic inhibition

    Ming Chen et al.
    APP interacts with KCC2 to limit the latter from tyrosine-phosphorylation and ubiquitination and thus subsequent degradation, revealing a novel molecular pathway in which APP regulates GABAergic signaling and thus inhibition in the hippocampus.
    1. Structural Biology and Molecular Biophysics

    Exploring conformational equilibria of a heterodimeric ABC transporter

    M Hadi Timachi et al.
    A heterodimeric exporter exhibits conformational equilibria in the presence of nucleotides, suggesting a unified mechanistic model for the conformational cycle of ABC exporters.
    1. Cell Biology

    NECAPs are negative regulators of the AP2 clathrin adaptor complex

    Gwendolyn M Beacham et al.
    Endocytosis is regulated by a protein family that recycles the AP2 clathrin adaptor by restoring the inactive form of complex.
    1. Cell Biology

    The membrane-associated proteins FCHo and SGIP are allosteric activators of the AP2 clathrin adaptor complex

    Gunther Hollopeter et al.
    Endocytosis is triggered by membrane-associated proteins that transform the clathrin adaptor into an active complex.
    1. Neuroscience

    Loss of presenilin function is associated with a selective gain of APP function

    Carole Deyts et al.
    Amyloid precursor protein expression and accumulation of its intracellular fragment are required for exuberant neurite outgrowth associated with pathological presenilin 1 loss-of-function mutations before the emergence of amyloid burden in mice.
    1. Cell Biology
    2. Neuroscience

    AP2 hemicomplexes contribute independently to synaptic vesicle endocytosis

    Mingyu Gu et al.
    A protein complex that enables cells to transport substances across their membranes, and that typically consists of four subunits, can also function as two hemicomplexes, each with two subunits.
    1. Neuroscience

    LTP and memory impairment caused by extracellular Aβ and Tau oligomers is APP-dependent

    Daniela Puzzo et al.
    Oligomeric Amyloid-β and Tau, two proteins involved in Alzheimer's disease pathogenesis, require Amyloid Precursor Protein to enter neurons and exert their detrimental effect on synaptic plasticity and memory.
    1. Cell Biology

    Sumoylation promotes optimal APC/C activation and timely anaphase

    Christine C Lee et al.
    The Anaphase Promoting Complex/Cyclosome is regulated by sumoylation to ensure timely mitotic exit in human cells.

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