Predicted to enable calcium ion binding activity. Predicted to be involved in regulation of neurotransmitter secretion. Predicted to be located in cytosol and nucleoplasm. Predicted to be active in synaptic vesicle membrane. Predicted to be integral component of membrane. Orthologous to human MCTP2 (multiple C2 and transmembrane domain containing 2). [provided by Alliance of Genome Resources, Apr 2022]