Proteins articles within Nature

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  • Article |

    Cryo-electron microscopy structures of the noradrenaline transporter in the apo state, bound to noradrenaline and bound to various antidepressants shed light on the substrate transport, molecular recognition and dimeric architecture of this protein.

    • Heng Zhang
    • , Yu-Ling Yin
    •  & Yi Jiang

  • Article
    | Open Access

    Cryo-electron microscopy structures of human RAD51 in complex with the nucleosome show that RAD51 can adopt two conformations—rings and filaments—and reveal how RAD51 binds to the nucleosome through its N-terminal lobe domain.

    • Takuro Shioi
    • , Suguru Hatazawa
    •  & Hitoshi Kurumizaka

  • Article |

    Monoamines and neurotoxicants share a binding pocket in VMAT1 featuring polar sites for specificity and a wrist-and-fist shape for versatility, and monoamine enrichment in storage vesicles arises from dominant import via favoured lumenal-open transition of VMAT1 and protonation-precluded binding during its cytoplasmic-open transition.

    • Jin Ye
    • , Huaping Chen
    •  & Weikai Li

  • Article |

    Time-resolved cryo-EM is used to capture structural transitions during G-protein activation stimulated by a G-protein-coupled receptor.

    • Makaía M. Papasergi-Scott
    • , Guillermo Pérez-Hernández
    •  & Georgios Skiniotis

  • Article
    | Open Access

    Studies using genetic screening, biophysical characterization and structural reconstitution elucidate the mechanism of action and enable rational design of a new class of functional compounds that glue target proteins to E3 ligases via intramolecularly bridging two domains to enhance intrinsic protein–protein interactions and promote target ubiquitination and degradation.

    • Oliver Hsia
    • , Matthias Hinterndorfer
    •  & Alessio Ciulli

  • Article |

    A computational model generates conformational ensembles of 28,058 intrinsically disordered proteins and regions (IDRs) in the human proteome and sheds light on the relationship between sequence, conformational properties and functions of IDRs.

    • Giulio Tesei
    • , Anna Ida Trolle
    •  & Kresten Lindorff-Larsen

  • Article
    | Open Access

    Dissection of the nuclear pore complex provides a model in which the HIV capsid enters the nucleus through karyopherin mimicry, a mechanism likely to be conserved across other viruses.

    • C. F. Dickson
    • , S. Hertel
    •  & D. A. Jacques

  • Article
    | Open Access

    Latrophilin-3 organizes synapses through a convergent dual-pathway mechanism in which Gαs signalling is activated and phase-separated postsynaptic protein scaffolds are recruited.

    • Shuai Wang
    • , Chelsea DeLeon
    •  & Thomas C. Südhof

  • Article |

    The accuracy of eukaryotic ribosome translocation relies on eukaryote-specific elements of the 80S ribosome, elongation factor 2 and transfer RNAs, all of which contribute to the maintenance of the messenger RNA reading frame.

    • Nemanja Milicevic
    • , Lasse Jenner
    •  & Gulnara Yusupova

  • Article
    | Open Access

    A cryo-electron tomography study reports the structure of thick myosin filaments of mouse cardiac muscle in the relaxed state in situ and the MyBP-C links that connect them with the surrounding thin actin filaments.

    • Davide Tamborrini
    • , Zhexin Wang
    •  & Stefan Raunser

  • Article
    | Open Access

    Structures of the glucagon receptor bound to β-arrestin 1 are reported, providing further information about the arrestin-mediated modulation of G protein-coupled receptors.

    • Kun Chen
    • , Chenhui Zhang
    •  & Beili Wu

  • Article
    | Open Access

    Tim17 contains conserved negative charges close to the intermembrane space side of the bilayer, which are essential to initiate presequence protein translocation along a distinct transmembrane cavity of Tim17 for both classes of preproteins.

    • Laura F. Fielden
    • , Jakob D. Busch
    •  & Nils Wiedemann

  • Article
    | Open Access

    Fine-tuning the RoseTTAFold structure prediction network on protein structure denoising tasks yields a generative model for protein design that achieves outstanding performance on a wide range of protein structure and function design challenges.

    • Joseph L. Watson
    • , David Juergens
    •  & David Baker

  • Article |

    The SARS-CoV-2 spike internal fusion peptide forms a hairpin-like wedge that spans almost the entire lipid bilayer and the transmembrane segment wraps around the fusion peptide at the last stage of membrane fusion.

    • Wei Shi
    • , Yongfei Cai
    •  & Bing Chen

  • Article
    | Open Access

    We identify a highly controlled cytosolic surveillance mechanism that integrates independent mitochondrial stress signals to initiate the mitochondrial unfolded protein response (UPR), revealing a link between mitochondrial and cytosolic proteostasis.

    • F. X. Reymond Sutandy
    • , Ines Gößner
    •  & Christian Münch

  • Article
    | Open Access

    The authors introduce a single-molecule DNA-barcoding method, resolution enhancement by sequential imaging, that improves the resolution of fluorescence microscopy down to the Ångström scale using off-the-shelf fluorescence microscopy hardware and reagents.

    • Susanne C. M. Reinhardt
    • , Luciano A. Masullo
    •  & Ralf Jungmann

  • Article |

    Combining genome-wide CRISPR screens with massively parallel analyses of human and random DNA sequences reveal a unified mechanism for the surveillance and evolution of translation products from annotated noncoding DNA.

    • Jordan S. Kesner
    • , Ziheng Chen
    •  & Xuebing Wu

  • Article
    | Open Access

    A structure–function analysis of cystic fibrosis transmembrane conductance regulator shows its two nucleotide-binding domains dimerize before channel opening, and reveals a mechanism through which conformational changes in the channel regulate chloride conductance.

    • Jesper Levring
    • , Daniel S. Terry
    •  & Jue Chen

  • Article
    | Open Access

    A neuron-specific activity-dependent DNA repair mechanism is identified, the impairment of which may lead to neurodevelopmental disorders, neurodegeneration and ageing.

    • Elizabeth A. Pollina
    • , Daniel T. Gilliam
    •  & Michael E. Greenberg

  • Article |

    A cryo-electron microscopy analysis of the Chlamydomonas reinhardtii TOC–TIC supercomplex reveals that Tic214 traverses the chloroplast inner membrane, the intermembrane space and the outer membrane, connecting the TOC complex with the TIC proteins.

    • Hao Liu
    • , Anjie Li
    •  & Zhenfeng Liu

  • Article
    | Open Access

    Structural studies of the ribosome-associated endoplasmic reticulum translocon complex based on cryo-electron tomography and molecular modelling reveal multiple intermediate states and interactions between the components of the complex and its cofactors.

    • Max Gemmer
    • , Marten L. Chaillet
    •  & Friedrich Förster

  • Article
    | Open Access

    Structural insights into the poly-ADP-ribosyltransferase tankyrase reveal its filamentous architecture and illustrate how assembly controls catalytic and non-catalytic functions.

    • Nisha Pillay
    • , Laura Mariotti
    •  & Sebastian Guettler

  • Article
    | Open Access

    Cryo-electron microscopy structures of skeletal F-actin show solvent-driven rearrangements governing actin filament assembly and aging with potential application in design of drugs and small molecules for imaging and therapy.

    • Wout Oosterheert
    • , Björn U. Klink
    •  & Stefan Raunser

  • Article |

    Two cyclic dinucleotide molecules bind within the cavity of human SLC19A1 as a compact dual-molecule unit, whereas folate and antifolate bind to SLC19A1 as a monomer and occupy a distinct pocket of the cavity.

    • Qixiang Zhang
    • , Xuyuan Zhang
    •  & Pu Gao

  • Article
    | Open Access

    Structures of the Arabidopsis thaliana auxin exporter PIN1 in the apo state, bound to the natural auxin or bound to an inhibitor provide insights into the polar auxin transport mechanisms mediated by PIN family transporters.

    • Zhisen Yang
    • , Jing Xia
    •  & Linfeng Sun

  • Article |

    Fruitflies require Sestrin to regulate mTORC1 signalling in response to dietary leucine, survive a diet low in leucine, and control leucine-sensitive physiological characteristics, which establishes Sestrin as a physiologically relevant leucine sensor.

    • Xin Gu
    • , Patrick Jouandin
    •  & David M. Sabatini

  • Article
    | Open Access

    Through structural analysis of the activation of bacterial STING, the molecular basis of STING filament formation and TIR effector domain activation in antiphage signalling is defined.

    • Benjamin R. Morehouse
    • , Matthew C. J. Yip
    •  & Philip J. Kranzusch

  • Article |

    Structural determination of GAT1 using cryo-electron microscopy provides insights into the biology and pharmacology of this GABA transporter.

    • Zenia Motiwala
    • , Nanda Gowtham Aduri
    •  & Cornelius Gati

  • Article |

    Cryo-electron microscopy structures of the bacterial O-antigen ligase WaaL, combined with genetics, biochemistry and molecular dynamics simulations, provide insight into the mechanism by which WaaL catalyses the biosynthesis of lipopolysaccharide.

    • Khuram U. Ashraf
    • , Rie Nygaard
    •  & Filippo Mancia

  • Article
    | Open Access

    Cryo-electron microscopy structures of ligand-free, agonist-bound and antagonist-bound Ste2 show that this class D1 G protein-coupled receptor has a distinct mechanism of activation compared with other receptor classes.

    • Vaithish Velazhahan
    • , Ning Ma
    •  & Christopher G. Tate

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