Predicted to enable structural molecule activity. Predicted to be involved in endoplasmic reticulum to Golgi vesicle-mediated transport and intra-Golgi vesicle-mediated transport. Predicted to act upstream of or within protein localization to axon. Predicted to be located in COPI-coated vesicle; Golgi apparatus; and nucleoplasm. Predicted to be part of COPI vesicle coat. Orthologous to human COPE (COPI coat complex subunit epsilon). [provided by Alliance of Genome Resources, Apr 2022]