Predicted to enable SNARE binding activity. Predicted to be involved in regulation of neurotransmitter secretion and synaptic vesicle exocytosis. Predicted to be located in synapse. Predicted to be part of SNARE complex. Predicted to be active in terminal bouton. Orthologous to human CPLX4 (complexin 4). [provided by Alliance of Genome Resources, Apr 2022]