3,753 results found
    1. Structural Biology and Molecular Biophysics

    Structure of a TRPM2 channel in complex with Ca2+ explains unique gating regulation

    Zhe Zhang et al.
    The 3Å structure and correlated functional analysis of the TRPM2 cation channel from Nematostella vectensis shed light on the molecular mechanisms of TRPM2 regulation by intra- and extracellular Ca2+, and of inactivation of human TRPM2.
    1. Neuroscience

    Inhibition in the auditory brainstem enhances signal representation and regulates gain in complex acoustic environments

    Christian Keine et al.
    Inhibition in the brainstem has further roles beyond temporal sharpening and improves reproduction for a multitude of sounds.
    1. Structural Biology and Molecular Biophysics

    Voltage-dependent dynamics of the BK channel cytosolic gating ring are coupled to the membrane-embedded voltage sensor

    Pablo Miranda et al.
    Allosteric modulation of BK channels, vital for the physiology of nerve, muscle and endocrine cells, is determined by direct coupling between gating ring RCK1 domains and the voltage sensor function.
    1. Cell Biology

    Age-dependent deterioration of nuclear pore assembly in mitotic cells decreases transport dynamics

    Irina L Rempel et al.
    In replicative ageing yeast cells, an age-dependent impediment in proper assembly of nuclear pore complexes is associated with altered nuclear transport.
    1. Structural Biology and Molecular Biophysics

    Graded Ca2+/calmodulin-dependent coupling of voltage-gated CaV1.2 channels

    Rose E Dixon et al.
    The Ca2+-driven functional coupling of CaV1.2 channels is a mechanism of channel memory that may modulate the amplification of Ca2+ influx.
    1. Cell Biology

    Centriolar SAS-7 acts upstream of SPD-2 to regulate centriole assembly and pericentriolar material formation

    Kenji Sugioka et al.
    A genetic screen and live cell imaging show that a newly identified coiled-coil protein called SAS-7 is the earliest acting factor in centriole assembly yet identified in the roundworm Caenorhabditis elegans.
    1. Cell Biology

    Role of SAGA in the asymmetric segregation of DNA circles during yeast ageing

    Annina Denoth-Lippuner et al.
    The SAGA complex binds non-chromosomal DNA circles and prevents their spreading by attaching them to nuclear pores, thereby leading to the concomitant accumulation of DNA circles and pores in ageing yeast mother cells.
    1. Neuroscience

    The RFamide receptor DMSR-1 regulates stress-induced sleep in C. elegans

    Michael J Iannacone et al.
    During sickness, sleep is induced by neuropeptides, which contain an amidated arginine-phenylalanine motif, acting in a neuroendocrine fashion on a G-protein coupled receptor called DMSR-1.
    1. Structural Biology and Molecular Biophysics
    2. Neuroscience

    Photo-switchable tweezers illuminate pore-opening motions of an ATP-gated P2X ion channel

    Chloé Habermacher et al.
    The gating mechanism of trimeric ATP-gated P2X receptors has been explored using photo-switchable cross-linkers, via a versatile strategy that could be applied to other membrane proteins.

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