2,017 results found
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Slo1 is the principal potassium channel of human spermatozoa

    Nadja Mannowetz, Natasha M Naidoo ... Polina V Lishko
    Potassium ions enter and leave human sperm cells via a calcium-dependent ion channel that is also pH-independent.
    1. Structural Biology and Molecular Biophysics

    High temperature sensitivity is intrinsic to voltage-gated potassium channels

    Fan Yang, Jie Zheng
    Highly temperature-sensitive behavior of voltage-gated potassium channels provides a mechanistic model for how heat-activated TRP channels serve as temperature and pain sensors.
    1. Neuroscience

    Slo2 potassium channel function depends on RNA editing-regulated expression of a SCYL1 protein

    Long-Gang Niu, Ping Liu ... Bojun Chen
    The pseudokinase protein SCYL1 is an evolutionarily conserved enhancer of Slo2 potassium channel activity.
    1. Structural Biology and Molecular Biophysics

    Allosteric mechanism for KCNE1 modulation of KCNQ1 potassium channel activation

    Georg Kuenze, Carlos G Vanoye ... Jens Meiler
    An integrative structural biology approach provides refined models of the KCNQ1-KCNE1 channel complex, which propose a new mechanism to explain how KCNE1 modulates KCNQ1 channel activation.
    1. Neuroscience

    The potassium channel subunit KV1.8 (Kcna10) is essential for the distinctive outwardly rectifying conductances of type I and II vestibular hair cells

    Hannah R Martin, Anna Lysakowski, Ruth Anne Eatock
    A striking and consequential conductance in vestibular type I hair cells is finally shown to depend on a little-known Shaker subunit that contributes to conventional conductances in other hair cells.
    1. Cell Biology

    Histidine phosphorylation relieves copper inhibition in the mammalian potassium channel KCa3.1

    Shekhar Srivastava, Saswati Panda ... Edward Y Skolnik
    The mammalian potassium channel KCa3.1, which is important for T- and B-cell activation, is inhibited by cytoplasmic copper, mediated by a histidine residue (His358) that is phosphorylated to activate the channel.
    1. Neuroscience

    Altered potassium channel distribution and composition in myelinated axons suppresses hyperexcitability following injury

    Margarita Calvo, Natalie Richards ... David LH Bennett
    Type 1 potassium channels alter their composition and localisation to suppress hyper-excitability and neuropathic pain of injured sensory neurons.
    1. Neuroscience

    The palmitoyl acyltransferase ZDHHC14 controls Kv1-family potassium channel clustering at the axon initial segment

    Shaun S Sanders, Luiselys M Hernandez ... Gareth M Thomas
    ZDHHC14 controls palmitoylation and axon initial segment targeting of PSD93 and Kv1-family potassium channels, events that are essential for normal neuronal excitability.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Trans-toxin ion-sensitivity of charybdotoxin-blocked potassium-channels reveals unbinding transitional states

    Hans Moldenhauer, Ignacio Díaz-Franulic ... David Naranjo
    Detection of unbinding transitional states in the charybdotoxin first-order dissociation from a Kv-channel reveals that the bound neurotoxin wobbles, suggesting diverse intermediates and dissociation pathways in this protein–protein interaction.
    1. Neuroscience

    A novel image segmentation method based on spatial autocorrelation identifies A-type potassium channel clusters in the thalamus

    Csaba Dávid, Kristóf Giber ... Laszlo Acsady
    The spatial autocorrelation method Local Moran’s I was used for image segmentation to delineate pixel clusters representing congruous objects with fuzzy borders, in this case potassium ion channel clusters.

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