12,623 results found
    1. Structural Biology and Molecular Biophysics
    2. Neuroscience

    Molecular structure of human KATP in complex with ATP and ADP

    Kenneth Pak Kin Lee, Jue Chen, Roderick MacKinnon
    MgADP binding to the high-affinity 'consensus' ATPase active site of SUR1 and remodeling of the L0-loop (lasso region) overrides tonic ATP inhibition of KATP channels.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    In vivo analysis reveals that ATP-hydrolysis couples remodeling to SWI/SNF release from chromatin

    Ben C Tilly, Gillian E Chalkley ... C Peter Verrijzer
    Visualization of BRM remodelers engaging their endogenous genomic targets revealed highly transient and dynamic interactions with chromatin, which are fueled by ATP-hydrolysis.
    1. Cell Biology
    2. Developmental Biology

    Dual roles for ATP in the regulation of phase separated protein aggregates in Xenopus oocyte nucleoli

    Michael H Hayes, Elizabeth H Peuchen ... Daniel L Weeks
    The equilibrium between solubility and aggregation of proteins in the nucleus is controlled by co-aggregates like RNA and the action of ATP as both an energy source and a destabilizing chemical agent.
    1. Biochemistry and Chemical Biology

    Cooperation among c-subunits of FoF1-ATP synthase in rotation-coupled proton translocation

    Noriyo Mitome, Shintaroh Kubo ... Shoji Takada
    Biochemical analysis on hetero-mutated c10 subunits ring and molecular dynamics simulations demonstrate the cooperation among c-subunits of FoF1-ATP synthase in rotation-coupled proton translocation.
    1. Cell Biology
    2. Plant Biology

    Live cell imaging of meiosis in Arabidopsis thaliana

    Maria A Prusicki, Emma M Keizer ... Arp Schnittger
    Live cell imaging and the in vivo dissection into distinct stages, called landmarks, represents a new methodology for analyzing meiosis in Arabidopsis and likely in other species as well.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Large-scale filament formation inhibits the activity of CTP synthetase

    Rachael M Barry, Anne-Florence Bitbol ... Zemer Gitai
    The accumulation of its product, cytidine triphosphate, encourages the enzyme CTP synthetase (CtpS) to form large-scale polymers and inhibits the enzyme's activity.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Cryo-EM reveals distinct conformations of E. coli ATP synthase on exposure to ATP

    Meghna Sobti, Robert Ishmukhametov ... Alastair G Stewart
    Cryo-EM studies reveal that incubation with ATP produces conformational intermediates of E. coli ATP synthase, in which the ε subunit is no longer in its autoinhibitory conformation.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structure of Fam20A reveals a pseudokinase featuring a unique disulfide pattern and inverted ATP-binding

    Jixin Cui, Qinyu Zhu ... Junyu Xiao
    Fam20A, a pseudokinase involved in the formation of tooth enamel, binds ATP in an unexpected orientation.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structure and conformational states of the bovine mitochondrial ATP synthase by cryo-EM

    Anna Zhou, Alexis Rohou ... John L Rubinstein
    Structural analysis of the ATP synthase – in combination with evolutionary covariance analysis – reveals the fold of the a subunit and shows that the enzyme can adopt several different conformations, which support the Brownian ratchet model for generating rotation.
    1. Structural Biology and Molecular Biophysics

    Conserved mechanisms of microtubule-stimulated ADP release, ATP binding, and force generation in transport kinesins

    Joseph Atherton, Irene Farabella ... Carolyn A Moores
    Cryo-electron microscopy reconstructions of two microtubule-bound transport kinesins at 7 Å resolution reveal how microtubule track binding stimulates ADP release, primes the active site for ATP binding and enables force generation.

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