1,602 results found
    1. Computational and Systems Biology
    2. Neuroscience

    Olfactory receptor neurons use gain control and complementary kinetics to encode intermittent odorant stimuli

    Srinivas Gorur-Shandilya et al.
    Olfactory receptor neurons adapt to odorant mean and variance and use complementary kinetics to preserve the timing of odorant encounters, despite adaptation slowing down transduction.
    1. Structural Biology and Molecular Biophysics
    2. Neuroscience

    Control of AMPA receptor activity by the extracellular loops of auxiliary proteins

    Irene Riva et al.
    Glutamate receptor auxiliary proteins exert their effects on receptor gating through two divergent extracellular loops, explaining subunit specificity and allowing the construction of null versions that form complexes normally but do not modify receptor gating.
    1. Structural Biology and Molecular Biophysics

    Ion Channels: Solving a specificity mystery

    Sanduo Zheng, Andrew C Kruse
    Differences in the kinetics of G protein activation can explain why only some receptors can activate potassium ion channels called GIRKs.
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    1. Structural Biology and Molecular Biophysics

    How IGF-1 activates its receptor

    Jennifer M Kavran et al.
    Ligand binding to the ectodomain of the insulin-like growth factor receptor destabilises an autoinhibitory inter-subunit interaction, which allows the transmembrane domains to associate and the intracellular regions to autophosphorylate.
    1. Structural Biology and Molecular Biophysics

    Molecular basis of signaling specificity between GIRK channels and GPCRs

    Kouki K Touhara, Roderick MacKinnon
    A single kinetic step in the G protein activation cycle determines whether a G protein-coupled receptor activates G protein-gated K+ channels or not.
    1. Neuroscience

    Sex differences in cerebellar synaptic transmission and sex-specific responses to autism-linked Gabrb3 mutations in mice

    Audrey A Mercer et al.
    Male and female mice differ in basal cerebellar physiology, including the magnitude of synaptic excitation by metabotropic glutamate receptors, kinetics of synaptic inhibition, intrinsic properties, and responses to autism-linked mutations.
    1. Structural Biology and Molecular Biophysics

    Direct single molecule measurement of TCR triggering by agonist pMHC in living primary T cells

    Geoff P O'Donoghue et al.
    Quantitative observations of single-molecule binding between antigen and T cell receptor (TCR) in living primary T cells reveals unbinding kinetics, stoichiometry and signaling molecule recruitment, providing insights into the mechanisms of antigen recognition by the immune system.
    1. Structural Biology and Molecular Biophysics
    2. Microbiology and Infectious Disease

    Bile salt receptor complex activates a pathogenic type III secretion system

    Peng Li et al.
    Microbial genetics and biophysical analyses provide insight into an evolutionarily conserved bile salt receptor complex used by pathogenic bacteria to sense their environment.
    1. Chromosomes and Gene Expression
    2. Computational and Systems Biology

    Genome-wide Estrogen Receptor-α activation is sustained, not cyclical

    Andrew N Holding et al.
    Activation of the Estrogen Receptor by estra-2-diol results in sustained binding and the previously described cyclical response kinetics are likely an artefact of observing a highly variable process without replicates.

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