Phosphorylation of synaptic vesicle glycoprotein 2 (SV2) regulates endocytosis of synaptotagmin for synaptic transmission

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Antiepileptic drugs typically target ion transporters or neurotransmitter receptors. Synaptic vesicle glycoprotein 2 (SV2) is a rare example of a synaptic vesicle recycling protein that is the target of an antiepileptic drug. It also binds botulinum and tetanus neurotoxins. We discovered SV2 contains activity-dependent signalling molecules. Charactersation of these molecules and will allow a deeper understanding of the molecular basis for its role in epilepsy and toxin action.