Browse our latest Structural Biology and Molecular Biophysics articles

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    1. Structural Biology and Molecular Biophysics

    Structural and biophysical analysis of a Haemophilus influenzae tripartite ATP-independent periplasmic (TRAP) transporter

    Michael J Currie, James S Davies ... Rachel A North
    Structure of the dimeric Haemophilus influenzae TRAP transporter (SiaQM) reveals two Na+ sites, the substrate-binding site and lipid-binding sites, and weak but promiscuous binding of SiaP to SiaQM.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    CryoEM structures of the human CLC-2 voltage-gated chloride channel reveal a ball-and-chain gating mechanism

    Mengyuan Xu, Torben Neelands ... Merritt Maduke
    A combination of high-resolution structure determination, electrophysiology, and MD simulations reveal fundamental insight into the molecular function of voltage-gated chloride channels.
    1. Structural Biology and Molecular Biophysics
    2. Evolutionary Biology

    Coevolution with toxic prey produces functional trade-offs in sodium channels of predatory snakes

    Robert E. del Carlo, Jessica S. Reimche ... Chris R. Feldman
    Not revised
    Reviewed Preprint v1
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    1. Structural Biology and Molecular Biophysics

    Novel sterol binding domains in bacteria

    Liting Zhai, Amber C Bonds ... Laura MK Dassama
    A combination of bioinformatics, protein biochemistry, and X-ray crystal structures reveals new bacterial proteins that are capable of binding to sterols.
    1. Structural Biology and Molecular Biophysics

    Explicit ion modeling predicts physicochemical interactions for chromatin organization

    Xingcheng Lin, Bin Zhang
    The physicochemical interactions among wild-type nucleosomes hold substantial significance and play a role in chromatin folding under physiological salt concentrations.
    1. Structural Biology and Molecular Biophysics

    Discovery of lipid binding sites in a ligand-gated ion channel by integrating simulations and cryo-EM

    Cathrine Bergh, Urška Rovšnik ... Erik Lindahl
    A combination of molecular dynamics simulations and electron cryomicroscopy characterizes interactions of a pentameric ligand-gated ion channel with 25 lipid molecules, specifically in a functional state in which they were not previously observed.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    Exploring the K+ binding site and its coupling to transport in the neurotransmitter:sodium symporter LeuT

    Solveig G Schmidt, Andreas Nygaard ... Claus J Loland
    Potassium presumably binds to the Na1 site in LeuT, playing a role in inwardly rectifying the transport of substrates.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Tracing the substrate translocation mechanism in P-glycoprotein

    Theresa Gewering, Deepali Waghray ... Qinghai Zhang
    New P-glycoprotein structures reveal a substrate translocation mechanism and pathway across lipid bilayers that challenges ATP-binding cassette transporter norms.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Double and triple thermodynamic mutant cycles reveal the basis for specific MsbA-lipid interactions

    Jixing Lyu, Tianqi Zhang ... Arthur Laganowsky
    Native mass spectrometry reveals the thermodynamic basis for high-affinity lipid binding to the ABC transporter MsbA.
    1. Microbiology and Infectious Disease
    2. Structural Biology and Molecular Biophysics

    A Vibrio cholerae viral satellite maximizes its spread and inhibits phage by remodeling hijacked phage coat proteins into small capsids

    Caroline M Boyd, Sundharraman Subramanian ... Kimberley D Seed
    A phage parasite encodes an external scaffolding protein to pirate and rearrange phage-encoded coat proteins to more efficiently transfer the phage parasite genome to new hosts and limit phage production.