Predicted to enable calcium ion binding activity. Predicted to be involved in several processes, including negative regulation of endocytosis; negative regulation of response to oxidative stress; and regulation of neurotransmitter secretion. Predicted to be located in recycling endosome. Predicted to be active in synaptic vesicle membrane. Predicted to be integral component of membrane. Is expressed in brain. Orthologous to human MCTP1 (multiple C2 and transmembrane domain containing 1). [provided by Alliance of Genome Resources, Apr 2022]