2,562 results found
    1. Biochemistry and Chemical Biology
    2. Immunology and Inflammation

    Calibration of cell-intrinsic interleukin-2 response thresholds guides design of a regulatory T cell biased agonist

    Caleb R Glassman, Leon Su ... K Christopher Garcia
    A panel of interleukin-2 partial agonists designed to exploit distinct immune cell response thresholds enabled selective activation of regulatory T cells in vivo.
    1. Neuroscience

    ß-arrestin 2 germline knockout does not attenuate opioid respiratory depression

    Iris Bachmutsky, Xin Paul Wei ... Kevin Yackle
    The key mechanism for opioid-like biased agonists to provide analgesia but not respiratory depression does not involve ß-arrestin 2.
    1. Biochemistry and Chemical Biology
    2. Computational and Systems Biology

    Structure-based discovery of potent and selective melatonin receptor agonists

    Nilkanth Patel, Xi Ping Huang ... Vsevolod Katritch
    Large scale virtual screening using recently solved structures of Melatonin receptors yield discovery of 10 new high-affinity selective agonists, also revealing novel functional features, including biased signaling at Melatonin receptors.
    1. Biochemistry and Chemical Biology

    Controlling opioid receptor functional selectivity by targeting distinct subpockets of the orthosteric site

    Rajendra Uprety, Tao Che ... Susruta Majumdar
    The structure-based design established a new approach to control pathway-selective activation of opioid receptors, resulting in new dual MOR/KOR G-protein biased agonist analgesics with attenuated liabilities.
    1. Structural Biology and Molecular Biophysics

    Identification of ligand-specific G protein-coupled receptor states and prediction of downstream efficacy via data-driven modeling

    Oliver Fleetwood, Jens Carlsson, Lucie Delemotte
    Ligands with different efficacy profiles shift the free energy landscape of the beta2 adrenergic receptor activation and stabilize diverse active-like states via the switch of microswitches lining an allosteric pathway.
  1. Point of View: Correcting the bias against interdisciplinary research

    Ehud Shapiro
    When making decisions about funding and jobs the scientific community should recognise that most of the tools used to evaluate scientific excellence are biased in favour of established disciplines and against interdisciplinary research.
    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

    Effector membrane translocation biosensors reveal G protein and βarrestin coupling profiles of 100 therapeutically relevant GPCRs

    Charlotte Avet, Arturo Mancini ... Michel Bouvier
    Development, validation, and use of an effector membrane translocation biosensor platform reveals G protein coupling selectivity signatures for 100 GPCRs that range from remarkable selectivity to full promiscuity toward the different G protein subtypes.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Disentangling bias between Gq, GRK2, and arrestin3 recruitment to the M3 muscarinic acetylcholine receptor

    Anja Flöser, Katharina Becker ... Moritz Bünemann
    Ligand-specific-induced conformations of M3 muscarinic receptors reveal similar requirements for G protein-coupled receptor kinase 2 and Gq protein binding, whereas arrestin3 binding is mediated by distinct receptor conformations.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Pharmacological hallmarks of allostery at the M4 muscarinic receptor elucidated through structure and dynamics

    Ziva Vuckovic, Jinan Wang ... David M Thal
    Structural biology studies reveal the importance of protein dynamics on understanding molecular mechanisms underlying allosteric modulation of G protein-coupled receptors (GPCR) that offer insights into future GPCR research and drug discovery.

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