1,135 results found
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    Toxoplasma gondii peptide ligands open the gate of the HLA class I binding groove

    Curtis McMurtrey et al.
    T. gondii infection alters how peptide ligands are presented to the immune system by inducing a previously unreported structural change in Human Leukocyte Antigens (HLAs).
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structural insight into the activation of a class B G-protein-coupled receptor by peptide hormones in live human cells

    Lisa Seidel et al.
    Agonist and antagonist peptides of the corticotropin-releasing factor receptor type 1 adopt different folds and stabilize distinct conformations of the receptor transmembrane domain, which involves tilting of helices VI and VII around conserved glycine hinges.
    1. Immunology and Inflammation

    T cell immunodominance is dictated by the positively selecting self-peptide

    Wan-Lin Lo et al.
    The T cell repertoire can display immunodominance to an epitope as a result of optimal positive selection in the thymus by one self-peptide/MHC ligand.
    1. Biochemistry and Chemical Biology

    Thermodynamic evidence for a dual transport mechanism in a POT peptide transporter

    Joanne L Parker et al.
    Two thermodynamically distinct transport mechanisms operating within the same binding site explains the remarkable promiscuity of POT family transporters towards peptide and drug ligands.
    1. Developmental Biology
    2. Evolutionary Biology

    Patterning: Fishing for ancestry

    Hannah Brunsdon, E Elizabeth Patton
    The same genes and signalling pathways control the formation of skin appendages in both fish and land animals.
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    1. Structural Biology and Molecular Biophysics

    Ion Channels: Exploiting natural regulation

    Catherine Proenza
    Using a short peptide to regulate the activity of HCN ion channels illustrates how physiological modulators could inspire new drugs. .
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    1. Cell Biology
    2. Neuroscience

    Mass Spectrometry: Using proteomics to probe neurons

    Yunee Kim, Thomas Kislinger
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    1. Immunology and Inflammation
    2. Physics of Living Systems

    Role of framework mutations and antibody flexibility in the evolution of broadly neutralizing antibodies

    Victor Ovchinnikov et al.
    Computer simulations of the evolution of broadly neutralizing antibodies against HIV suggest that non-traditional pathways involving framework mutations which lead initially to increased antibody flexibility do occur, but can be avoided by appropriate vaccine design.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    E3 ubiquitin ligase Bre1 couples sister chromatid cohesion establishment to DNA replication in Saccharomyces cerevisiae

    Wei Zhang et al.
    E3 ubiquitin ligase Bre1-induced H2B monoubiquitination is epigenetically important for recruiting replication factor Mcm10 and cohesion establishment factors Ctf4, Ctf18 and Eco1 to early replication origins to establish sister chromatid cohesion.

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