Molecular origins of synaptotagmin 1 activities on vesicle docking and fusion pore opening.

Abstract excerpt

Synaptotagmin 1 (Syt1), a major Ca(2+) sensor in neuroexocytosis, utilizes SNARE- and membrane-binding to regulate vesicle fusion, a required process for neurotransmitter release at the synapse. However, the mechanism by which Syt1 orchestrates SNARE- and membrane- binding to control individual vesicle fusion steps is still unclear. In this study, we used a number of single vesicle assays that can differentiate...

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