cofactor:Binds 3 calcium ions per subunit. The ions are bound to the C2 domains.,domain:The second C2 domain/C2B is responsible for SYNCRIP binding.,function:May be involved in Ca(2+)-dependent exocytosis of secretory vesicles through Ca(2+) and phospholipid binding to the C2 domain or may serve as Ca(2+) sensors in the process of vesicular trafficking and exocytosis.,similarity:Belongs to the synaptotagmin family.,similarity:Contains 2 C2 domains.,subunit:Interacts with SYNCRIP isoform 3 C-terminus.,tissue specificity:Expressed abundantly in brain (frontal and temporal lobes, hippocampus, hypothalamus, amygdala, substantia nigra, and pituitary), kidney, and prostate. Expressed in fetal brain, kidneys and lung.,tissue specificity:Expressed in a variety of adult and fetal tissues.,
Cell membrane ; Single-pass membrane protein . Cell junction, synapse, presynaptic cell membrane ; Single-pass membrane protein . Cytoplasmic vesicle, secretory vesicle, synaptic vesicle membrane ; Single-pass membrane protein . Lysosome membrane ; Single-pass membrane protein . Cytoplasmic vesicle, phagosome membrane ; Single-pass membrane protein . Peroxisome membrane ; Single-pass membrane protein . Cytoplasmic vesicle, secretory vesicle membrane ; Single-pass membrane protein . Localization to lysosomes is dependent on N-terminal palmitoylation and interaction with CD63. .
Expressed in a variety of adult and fetal tissues.
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