Browse our latest Structural Biology and Molecular Biophysics articles

Page 74 of 186
    1. Structural Biology and Molecular Biophysics

    Small-Molecule Inhibitors: Disrupting enzyme fluidity

    Ganesh Srinivasan Anand
    A combination of X-ray crystallography, NMR, and mass spectrometry has revealed how diverse small-molecule inhibitors bind Bruton’s tyrosine kinase and alter the conformation of this enzyme.
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    Insight
    1. Plant Biology
    2. Structural Biology and Molecular Biophysics

    Atomic structures of respiratory complex III2, complex IV, and supercomplex III2-IV from vascular plants

    Maria Maldonado, Fei Guo, James A Letts
    The structures of plant CIII2, CIV, and SC III2+IV challenge long-standing assumptions, generate new mechanistic hypotheses and allow for the generation of more selective agricultural inhibitors.
    1. Plant Biology
    2. Structural Biology and Molecular Biophysics

    Enzymes: The two roles of complex III in plants

    Hans-Peter Braun
    Atomic structures of mitochondrial enzyme complexes in plants are shedding light on their multiple functions.
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    Insight
    1. Physics of Living Systems
    2. Structural Biology and Molecular Biophysics

    Proofreading through spatial gradients

    Vahe Galstyan, Kabir Husain ... Rob Phillips
    Theoretical study shows how enzymes can achieve substrate proofreading by taking advantage of existing molecular gradients in the cell while not being endowed with structural features typically required for proofreading.
    1. Structural Biology and Molecular Biophysics

    ATP and large signaling metabolites flux through caspase-activated Pannexin 1 channels

    Adishesh K Narahari, Alex JB Kreutzberger ... Douglas A Bayliss
    Purified Pannexin 1 channels activated by caspase cleavage in proteoliposomes reconstitute a permeation pathway for intercellular signaling molecules important in inflammation and cell clearance.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    Ca2+ signaling driving pacemaker activity in submucosal interstitial cells of Cajal in the murine colon

    Salah A Baker, Wesley A Leigh ... Kenton M Sanders
    An optogenetic dual-color Ca2+-imaging approach shows how submucosal pacemaker-cells, interstitial cells of Cajal, modulate smooth-muscle responses and drive colonic motility via complex Ca2+ signaling.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    A molecular mechanism for LINC complex branching by structurally diverse SUN-KASH 6:6 assemblies

    Manickam Gurusaran, Owen Richard Davies
    The LINC complex has a core 6:6 structure in which KASH-binding induces head-to-head interactions between SUN trimers, suggesting force transduction between cytoskeletal and nuclear components through branched LINC complex networks.
    1. Structural Biology and Molecular Biophysics

    Structure of bacterial phospholipid transporter MlaFEDB with substrate bound

    Nicolas Coudray, Georgia L Isom ... Damian C Ekiert
    Structure of MlaFEDB ABC transporter with substrate bound in the outward-open pocket of MlaE provides mechanistic insights into lipid transport within the Gram-negative bacterial cell envelope.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    Structural and mechanistic basis of the EMC-dependent biogenesis of distinct transmembrane clients

    Lakshmi E Miller-Vedam, Bastian Bräuning ... Jonathan S Weissman
    Structure-function characterization of the EMC's cytoplasmic, transmembrane, and lumenal domains reveal features critical for terminal helix insertion and a specialized role for the lumenal domain in polytopic membrane protein biogenesis.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Mechanistic insights into volatile anesthetic modulation of K2P channels

    Aboubacar Wague, Thomas T Joseph ... Paul M Riegelhaupt
    The volatile anesthetic isoflurane directly binds to the transmembrane domains of the TREK1 channel to allosterically modulate its function.