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  • A complex of three proteins (shown at right in this artistic rendering) helps brain cells quickly release neurotransmitters (light green) to communicate with neighboring cells.
    Zhou et al./ Nature 2017
    A complex of three proteins (shown at right in this artistic rendering) helps brain cells quickly release neurotransmitters (light green) to communicate with neighboring cells.
  • A close-up view of the three-component interaction between synaptotagmin (yellow), complexin (blue), and the SNARE complex (purple and red) in a brain cell. The curly helix of complexin nestles near a helix in a synaptotagmin protein, and is arranged so that twists of the helices align like the threads of a screw. These helices rest atop helices of the SNARE complex.
    Zhou et al./ Nature 2017
    A close-up view of the three-component interaction between synaptotagmin (yellow), complexin (blue), and the SNARE complex (purple and red) in a brain cell. The curly helix of complexin nestles near a helix in a synaptotagmin protein, and is arranged so that twists of the helices align like the threads of a screw. These helices rest atop helices of the SNARE complex.
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