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

    The magnesium transporter A is activated by cardiolipin and is highly sensitive to free magnesium in vitro

    Saranya Subramani, Harmonie Perdreau-Dahl, Jens Preben Morth
    A magnesium transporter from Escherichia coli depends strongly on the lipid cardiolipin and acts both as a sensor and a transporter of magnesium.
    1. Structural Biology and Molecular Biophysics

    Epithelial magnesium transport by TRPM6 is essential for prenatal development and adult survival

    Vladimir Chubanov, Silvia Ferioli ... Thomas Gudermann
    Mice deficient in the TRPM6 channel suffer from impaired prenatal development, shortened lifespan, growth deficit and disturbed energy balance due to a defect in epithelial Mg2+ uptake, thus highlighting a pivotal role of TRPM6 in organismal Mg2+ homeostasis.
    1. Structural Biology and Molecular Biophysics

    Structural and functional properties of a magnesium transporter of the SLC11/NRAMP family

    Karthik Ramanadane, Monique S Straub ... Cristina Manatschal
    The structural and functional characterization of EleNRMT defines the basis for the distinct ion selectivity of a clade of the SLC11/NRAMP family which, instead of transporting transition metal ions, have evolved as uncoupled transporters of Mg2+.
    1. Neuroscience

    Magnesium efflux from Drosophila Kenyon cells is critical for normal and diet-enhanced long-term memory

    Yanying Wu, Yosuke Funato ... Scott Waddell
    Regulated neuronal magnesium efflux is a critical element of normal and magnesium-enhanced memory.
    1. Structural Biology and Molecular Biophysics

    Mg2+-dependent conformational equilibria in CorA and an integrated view on transport regulation

    Nicolai Tidemand Johansen, Marta Bonaccorsi ... Lise Arleth
    The Mg2+-channel CorA explores a wide conformational landscape of non-conducting states irrespective of bound Mg2+, but only in abscence of Mg2+, conducting states become accessible due to increased backbone dynamics.
    1. Structural Biology and Molecular Biophysics

    Structural insights into regulation of CNNM-TRPM7 divalent cation uptake by the small GTPase ARL15

    Luba Mahbub, Guennadi Kozlov ... Kalle Gehring
    ADP-ribosylation factor-like GTPase 15, an atypical small GTPase, binds to cystathionine-β-synthase-pair domain divalent metal cation transport mediator (CNNM) membrane proteins to inhibit divalent cation efflux by CNNM proteins and influx by transient receptor potential ion channel subfamily M member 7.
    1. Biochemistry and Chemical Biology

    The molecular appearance of native TRPM7 channel complexes identified by high-resolution proteomics

    Astrid Kollewe, Vladimir Chubanov ... Thomas Gudermann
    High-resolution proteomics in conjunction with biochemical and electrophysiological experiments revealed that the channel-kinase TRPM7 in rodent brain forms macromolecular complexes containing the metal transporters CNNM1-4 and a small G-protein ARL15.
    1. Structural Biology and Molecular Biophysics

    Structural and functional properties of a plant NRAMP-related aluminum transporter

    Karthik Ramanadane, Márton Liziczai ... Cristina Manatschal
    The structure of an NRAMP-related Al3+ transporter illustrates the evolution of a branch of a conserved protein family of metal ion transporters in plants to combat Al3+ toxicity in acidic soil.
    1. Neuroscience

    Memory: A divalent boost from magnesium

    Willem J Laursen, Paul A Garrity
    Enhanced levels of dietary magnesium improve long-term memory in fruit flies.
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    1. Structural Biology and Molecular Biophysics

    Screening of candidate substrates and coupling ions of transporters by thermostability shift assays

    Homa Majd, Martin S King ... Edmund RS Kunji
    It is technically difficult to identify transport proteins, but here a method is presented that exploits the principle that they are stabilized in detergent solution when they bind their substrate.

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