Browse our latest Biochemistry and Chemical Biology articles

Page 96 of 180
    1. Biochemistry and Chemical Biology
    2. Cancer Biology

    Distinct mechanisms of microRNA sorting into cancer cell-derived extracellular vesicle subtypes

    Morayma M Temoche-Diaz, Matthew J Shurtleff ... Randy Schekman
    Biochemical fractionation of vesicle sub-populations and in vitro reconstitution studies reveal that Lupus La protein mediates the selective sorting of miR-122 into extracellular vesicles in vitro and in vivo.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Quantitative mapping of protein-peptide affinity landscapes using spectrally encoded beads

    Huy Quoc Nguyen, Jagoree Roy ... Polly Morrell Fordyce
    A novel high-throughput method for measuring many weak protein-peptide affinities simultaneously reveals how calcineurin, a human phosphatase essential for the immune response, recognizes its peptide substrates.
    1. Biochemistry and Chemical Biology

    Repression of ferritin light chain translation by human eIF3

    Mia C Pulos-Holmes, Daniel N Srole ... Jamie H Cate
    Human ferritin light chain (FTL) mRNA translation is regulated via its 5'-untranslated region (5'-UTR) by three mechanisms: RNA folding, iron response protein binding, and eukaryotic translation initiation factor eIF3 binding.
    1. Biochemistry and Chemical Biology

    Tyr1 phosphorylation promotes phosphorylation of Ser2 on the C-terminal domain of eukaryotic RNA polymerase II by P-TEFb

    Joshua E Mayfield, Seema Irani ... Yan Zhang
    The phosphorylation of tyrosine in the heptad repeat of the C-terminal domain of the largest subunit of RNA polymerase II promotes Ser2 phosphorylation by P-TEFb for pausing release.
    1. Biochemistry and Chemical Biology

    Structural basis for AcrVA4 inhibition of specific CRISPR-Cas12a

    Gavin J Knott, Brady F Cress ... Jennifer A Doudna
    An ancestral helical bundle governs whether the crRNA-processing nuclease of CRISPR-Cas12a is exploited by a phage-encoded allosteric anti-CRISPR.
    1. Biochemistry and Chemical Biology
    2. Developmental Biology

    Tailored tetravalent antibodies potently and specifically activate Wnt/Frizzled pathways in cells, organoids and mice

    Yuyong Tao, Monika Mis ... Sachdev S Sidhu
    Modular tetravalent antibodies can be engineered to stimulate signaling through any combination of Frizzled and LRP receptors to drive organoid growth and mobilize endogenous stem cells in vivo.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    A single K+-binding site in the crystal structure of the gastric proton pump

    Kenta Yamamoto, Vikas Dubey ... Kazuhiro Abe
    Crystal structures provide structural rationales for the transport stoichiometry of the gastric proton pump, which suffices the energy requirement for the generation of a million-fold proton gradient across the membrane.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Subtle selectivity in a pheromone sensor triumvirate desynchronizes competence and predation in a human gut commensal

    Johann Mignolet, Guillaume Cerckel ... Pascal Hols
    A new cell–cell communication system in Streptococcus salivarius, a human gut commensal, discriminates between close signaling molecules to specifically produce bacteriocin-based antimicrobials and disconnects it from foreign DNA acquisition.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    A conserved Mcm4 motif is required for Mcm2-7 double-hexamer formation and origin DNA unwinding

    Kanokwan Champasa, Caitlin Blank ... Stephen P Bell
    Analysis of an essential motif in Mcm4 provides insights into replicative helicase double-hexamer formation and the first step requiring this intermediate during replication initiation.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    A potent voltage-gated calcium channel inhibitor engineered from a nanobody targeted to auxiliary CaVβ subunits

    Travis J Morgenstern, Jinseo Park ... Henry M Colecraft
    A novel engineered protein that uncouples electrical signals from downstream biological responses in excitable cells provides a unique investigative tool with potential therapeutic applications.