1,647 results found
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Activation-triggered subunit exchange between CaMKII holoenzymes facilitates the spread of kinase activity

    Margaret Stratton, Il-Hyung Lee ... John Kuriyan
    Activation of CaMKII holoenzymes triggers the exchange of subunits with other holoenzymes, including unactivated ones, enabling the calcium-independent phosphorylation and activation of new subunits.
    1. Biochemistry and Chemical Biology

    Breakage of the oligomeric CaMKII hub by the regulatory segment of the kinase

    Deepti Karandur, Moitrayee Bhattacharyya ... John Kuriyan
    Activation and autophosphorylation of CaMKII releases the regulatory segment, which can then bind to and destabilize the hub assembly by trapping large fluctuations in the hub architecture.
    1. Cell Biology

    Intercellular propagation of extracellular signal-regulated kinase activation revealed by in vivo imaging of mouse skin

    Toru Hiratsuka, Yoshihisa Fujita ... Michiyuki Matsuda
    In vivo imaging of extracellular signal-regulated kinase activity reveals radial ERK activation patterns that are associated with cell cycle progression in the mouse epidermis.
    1. Neuroscience

    An inhibitory gate for state transition in cortex

    Stefano Zucca, Giulia D’Urso ... Tommaso Fellin
    Two major subtypes of cortical interneurons, the PV and the SST positive cells, causally contribute to the regulation of large-scale state transitions in the cortex.
    1. Neuroscience

    Thalamic reticular nucleus induces fast and local modulation of arousal state

    Laura D Lewis, Jakob Voigts ... Emery N Brown
    A neural circuit that can selectively induce sleep-like patterns in small regions of the brain demonstrates how sleep and arousal states may be controlled in local brain regions.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Molecular mechanism of activation-triggered subunit exchange in Ca2+/calmodulin-dependent protein kinase II

    Moitrayee Bhattacharyya, Margaret M Stratton ... John Kuriyan
    Closed-ring and open-spiral assembly of the multi-subunit neuronal kinase CaMKII suggest a mechanism for how active subunits shuttle between individual assemblies, propagating stimulatory signals.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Kindlin-2 cooperates with talin to activate integrins and induces cell spreading by directly binding paxillin

    Marina Theodosiou, Moritz Widmaier ... Reinhard Fässler
    Kindlin-2 co-operates with talin to activate fibronectin-binding integrins on fibroblasts and subsequently induces cell spreading by recruiting paxillin to small, peripheral nascent adhesions.
    1. Computational and Systems Biology
    2. Neuroscience

    Subunit exchange enhances information retention by CaMKII in dendritic spines

    Dilawar Singh, Upinder Singh Bhalla
    Due to subunit-exchange, CaMKII can store information at diverse time-scales and might play a central role in the memory maintenance.
    1. Computational and Systems Biology
    2. Structural Biology and Molecular Biophysics

    Markov state models of proton- and pore-dependent activation in a pentameric ligand-gated ion channel

    Cathrine Bergh, Stephanie A Heusser ... Erik Lindahl
    Computational models of gating processes in an ion channel show how stability shifts upon ligand-binding and mutations are reproduced, which highlights mechanistic details and proposes a new role for symmetry in gating.

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