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  • Title: Signaling within Allosteric Machines: Signal Transmission Pathways Inside G Protein-Coupled Receptors.
    Author: Bartuzi D, Kaczor AA, Matosiuk D.
    Journal: Molecules; 2017 Jul 15; 22(7):. PubMed ID: 28714871.
    Abstract:
    In recent years, our understanding of function of G protein-coupled receptors (GPCRs) has changed from a picture of simple signal relays, transmitting only a particular signal to a particular G protein heterotrimer, to versatile machines, capable of various responses to different stimuli and being modulated by various factors. Some recent reports provide not only the data on ligands/modulators and resultant signals induced by them, but also deeper insights into exact pathways of signal migration and mechanisms of signal transmission through receptor structure. Combination of these computational and experimental data sheds more light on underlying mechanisms of signal transmission and signaling bias in GPCRs. In this review we focus on available clues on allosteric pathways responsible for complex signal processing within GPCRs structures, with particular emphasis on linking compatible in silico- and in vitro-derived data on the most probable allosteric connections.
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