FUNCTION: Key calcium ion sensor involved in the Ca(2+)-triggered synaptic vesicle-plasma membrane fusion and in the control of neurotransmitter release at these output synapses. Interacts in a calcium-dependent manner to the presynaptic SNARE proteins at ribbon synapses of cochlear inner hair cells...
FUNCTION: Key calcium ion sensor involved in the Ca(2+)-triggered synaptic vesicle-plasma membrane fusion and in the control of neurotransmitter release at these output synapses. Interacts in a calcium-dependent manner to the presynaptic SNARE proteins at ribbon synapses of cochlear inner hair cells (IHCs) to trigger exocytosis of neurotransmitter. Also essential to synaptic exocytosis in immature outer hair cells (OHCs). May also play a role within the recycling of endosomes (By similarity). {ECO:0000250|UniProtKB:Q9ESF1}.
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GO - Biological processes (BP):
membrane fusion [GO:0061025]; plasma membrane organization [GO:0007009]; sensory perception of sound [GO:0007605]; synaptic vesicle exocytosis [GO:0016079]; synaptic vesicle priming [GO:0016082]...
membrane fusion [GO:0061025]; plasma membrane organization [GO:0007009]; sensory perception of sound [GO:0007605]; synaptic vesicle exocytosis [GO:0016079]; synaptic vesicle priming [GO:0016082]
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GO - Molecular function (MF):
AP-2 adaptor complex binding [GO:0035612]; calcium ion binding [GO:0005509]...
AP-2 adaptor complex binding [GO:0035612]; calcium ion binding [GO:0005509]
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GO - Cellular component (CC):
basolateral plasma membrane [GO:0016323]; cell projection [GO:0042995]; cytosol [GO:0005829]; endoplasmic reticulum membrane [GO:0005789]; Golgi membrane [GO:0000139]; integral component of membrane [GO:0016021]; presynaptic active zone membrane [GO:0048787]; synaptic vesicle membrane [GO:0030672]...
basolateral plasma membrane [GO:0016323]; cell projection [GO:0042995]; cytosol [GO:0005829]; endoplasmic reticulum membrane [GO:0005789]; Golgi membrane [GO:0000139]; integral component of membrane [GO:0016021]; presynaptic active zone membrane [GO:0048787]; synaptic vesicle membrane [GO:0030672]
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