Browse our latest Biochemistry and Chemical Biology articles

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    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    The conserved aspartate ring of MCU mediates MICU1 binding and regulation in the mitochondrial calcium uniporter complex

    Charles B Phillips et al.
    Biochemical analysis reveals molecular mechanisms underlying the activation of the mitochondrial Ca2+ uniporter by intracellular Ca2+ signals.
    1. Biochemistry and Chemical Biology

    Mechanisms of PDZ domain scaffold assembly illuminated by use of supported cell membrane sheets

    Simon Erlendsson et al.
    Investigations of binding of the scaffold protein PICK1 to transmembrane proteins in their native membrane environment demonstrate potent but slow dynamics and reveal distinct binding modes supporting different biological functions.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Molecular mechanisms of gating in the calcium-activated chloride channel bestrophin

    Alexandria N Miller et al.
    Cryo-EM structures of the gating cycle of bestrophin reveal the molecular underpinnings of activation and inactivation gating in this calcium-activated chloride channel and reveal a surprisingly wide pore.
    1. Biochemistry and Chemical Biology

    RNA-binding proteins distinguish between similar sequence motifs to promote targeted deadenylation by Ccr4-Not

    Michael W Webster et al.
    Biochemical reconstitution of deadenylation and analysis of binding kinetics reveals how RNA-binding proteins select their mRNA targets.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Synergy between RecBCD subunits is essential for efficient DNA unwinding

    Rani Zananiri et al.
    A new optical tweezers assay sheds light on the mechanism of cooperation and force generation by the subunits of RecBCD, critical for the repair of double strand breaks in bacteria.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    The elemental mechanism of transcriptional pausing

    Jason Saba et al.
    Biochemical analyses of transcription complexes, including kinetic studies and probes of translocational and conformational states, establish the elemental mechanism of pausing, which underlies regulation of gene expression in all organisms.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Crystal structure of a natural light-gated anion channelrhodopsin

    Hai Li et al.
    The atomic structure of GtACR1 provides new insight into the chemical mechanism of natural light-gated anion membrane conductance, and enables its optimization for optogenetic photoinhibition of neuron firing.