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    1. Immunology and Inflammation
    2. Structural Biology and Molecular Biophysics

    The allosteric modulation of complement C5 by knob domain peptides

    Alex Macpherson, Maisem Laabei ... Jean MH van den Elsen
    Structural and functional analysis of a new class of low-molecular-weight antibody fragments, derived from bovine immunoglobulins, reveals their therapeutic potential against C5, a target for refractory inflammatory diseases.
    1. Microbiology and Infectious Disease

    Evolutionarily distant I domains can functionally replace the essential ligand-binding domain of Plasmodium TRAP

    Dennis Klug, Sarah Goellner ... Friedrich Frischknecht
    Exchange of the I domain in the Plasmodium surface protein TRAP against evolutionary distant I domains rescues infectivity of sporozoites.
    1. Immunology and Inflammation

    Antigenic mapping and functional characterization of human New World hantavirus neutralizing antibodies

    Taylor B Engdahl, Elad Binshtein ... James E Crowe
    Human antibodies that neutralize New World hantaviruses are promising for prevention or treatment of these high-priority emerging pathogens carried by rodents and transmitted to humans by aerosolized excreta or, in rare cases, person-to-person contact.
    1. Structural Biology and Molecular Biophysics

    Measuring the sequence-affinity landscape of antibodies with massively parallel titration curves

    Rhys M Adams, Thierry Mora ... Justin B Kinney
    The absolute affinities of thousands of variant antibodies are measured in parallel using a combination of cell sorting and high-throughput DNA sequencing.
    1. Structural Biology and Molecular Biophysics
    2. Neuroscience

    Structural insights into the molecular mechanisms of myasthenia gravis and their therapeutic implications

    Kaori Noridomi, Go Watanabe ... Lin Chen
    Autoantibodies from myasthenia gravis patients bind a common core region on the nicotinic acetylcholine receptor through a largely conserved mechanism.
    1. Immunology and Inflammation
    2. Structural Biology and Molecular Biophysics

    FcγRIIB-I232T polymorphic change allosterically suppresses ligand binding

    Wei Hu, Yong Zhang ... Wei Chen
    A single-nucleotide I232T polymorphic change in FcγRIIB's transmembrane domain bends FcγRIIB's ectodomains toward cell membrane to allosterically hinder FcγRIIB's ligand association, providing novel molecular mechanism for functional loss of FcγRIIB-I232T.
    1. Immunology and Inflammation

    The alpha/B.1.1.7 SARS-CoV-2 variant exhibits significantly higher affinity for ACE-2 and requires lower inoculation doses to cause disease in K18-hACE2 mice

    Rafael Bayarri-Olmos, Laust Bruun Johnsen ... Mikkel-Ole Skjoedt
    Functional characterization of the alpha/B1.1.7 SARS-CoV-2 variant revealed an eightfold affinity increase of the N501Y RBD to human ACE-2 and that even a low inoculation dose of the alpha variant induces severe disease and fast progression in transgenic hACE2 mice.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    Boosting of cross-reactive antibodies to endemic coronaviruses by SARS-CoV-2 infection but not vaccination with stabilized spike

    Andrew R Crowley, Harini Natarajan ... Margaret E Ackerman
    Non-neutralizing antibodies to the SARS-CoV-2 spike protein’s S2 domain that also recognize widely circulating endemic coronavirus strains are rapidly boosted by natural infection but not vaccination with stabilized spike-based vaccines.
    1. Epidemiology and Global Health
    2. Immunology and Inflammation

    A recombinant protein containing influenza viral conserved epitopes and superantigen induces broad-spectrum protection

    Yansheng Li, Mingkai Xu ... Chenggang Zhang
    By fusing influenza viral conserved epitopes and a superantigen fragment, we constructed a recombinant protein that might be a candidate universal broad-spectrum vaccine for the prevention and treatment of multiple influenza viruses.
    1. Chromosomes and Gene Expression
    2. Immunology and Inflammation

    Active RNAP pre-initiation sites are highly mutated by cytidine deaminases in yeast, with AID targeting small RNA genes

    Benjamin JM Taylor, Yee Ling Wu, Cristina Rada
    Transcribed promoters are highly susceptible to mutation by cytidine deaminases, implicating stable exposure of single stranded DNA structures, rather than cofactors, in localising mutation during tumourigenesis and antibody maturation.