115 results found
    1. Cell Biology

    Uncoupling of dynamin polymerization and GTPase activity revealed by the conformation-specific nanobody dynab

    Valentina Galli, Rafael Sebastian ... Aurélien Roux
    Uncoupling of dynamin polymerization and GTPase activity can be induced with dynamin, which allows in vivo visualization of its activity at endocytic pits.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Viral GPCR US28 can signal in response to chemokine agonists of nearly unlimited structural degeneracy

    Timothy F Miles, Katja Spiess ... K Christopher Garcia
    Numerous chemokine variants bearing no sequence resemblance elicit similar signaling behavior from the viral GPCR US28, suggesting a mechanism for receptor activation that accommodates extensive ligand degeneracy.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Synthetic single domain antibodies for the conformational trapping of membrane proteins

    Iwan Zimmermann, Pascal Egloff ... Markus A Seeger
    Synthetic single domain antibody libraries and a binder selection cascade encompassing ribosome and phage display enable the selection of conformation-specific binders against previously intractable membrane proteins within three weeks.
    1. Structural Biology and Molecular Biophysics

    Structural insights into the GTP-driven monomerization and activation of a bacterial LRRK2 homolog using allosteric nanobodies

    Christian Galicia, Giambattista Guaitoli ... Wim Versées
    Conformation-specific nanobodies enable to capture and solve the first GTP-bound active structure of a bacterial homolog of the Parkinson-associated LRRK2 protein, providing insights into the activation mechanism of these proteins.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Measuring ligand efficacy at the mu-opioid receptor using a conformational biosensor

    Kathryn E Livingston, Jacob P Mahoney ... John R Traynor
    Opioid drug efficacy and allosteric modulation is measured using an active state sensor of the mu-opioid receptor.
    1. Structural Biology and Molecular Biophysics

    Structural insights into the activation of human calcium-sensing receptor

    Xiaochen Chen, Lu Wang ... Yong Geng
    The cryo-electron microscopy structures of inactive and active states of calcium-sensing receptor (CaSR) reveal the activation mechanisms of CaSR.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    Modulation of the Erwinia ligand-gated ion channel (ELIC) and the 5-HT3 receptor via a common vestibule site

    Marijke Brams, Cedric Govaerts ... Chris Ulens
    Development of nanobodies against a model pentameric ligand-gated ion channel demonstrates they can be functionally active as negative or positive allosteric modulators and offers opportunities for future drug development.
    1. Cell Biology

    Conformational specificity of opioid receptors is determined by subcellular location irrespective of agonist

    Stephanie E Crilly, Wooree Ko ... Manojkumar A Puthenveedu
    A GPCR activated by the same agonist engages different conformational biosensors at different subcellular locations, suggesting that location-based conformations drive spatial encoding of signaling.
    1. Microbiology and Infectious Disease
    2. Structural Biology and Molecular Biophysics

    Structure of HIV-1 gp41 with its membrane anchors targeted by neutralizing antibodies

    Christophe Caillat, Delphine Guilligay ... Winfried Weissenhorn
    The structure of gp41with its membrane anchors highlights the flexible linkage of the transmembrane regions and the fuson peptides, which generates an asymmetric conformation, a potential target of MPER bNAbs.
    1. Cell Biology

    A general approach for stabilizing nanobodies for intracellular expression

    John G Dingus, Jonathan CY Tang ... Constance L Cepko
    A large proportion of nanobodies are unstable when expressed intracellularly, but can be reliably stabilized for intracellular expression by applying a generalizable mutagenesis strategy based on positional sequence conservation.

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