Predicted to enable nuclear export signal receptor activity. Predicted to be involved in positive regulation of protein export from nucleus and protein export from nucleus. Predicted to act upstream of or within protein transport. Predicted to be located in cytosol and nucleoplasm. Predicted to be part of nuclear pore. Predicted to be active in cytoplasm. Is expressed in central nervous system and retina. Orthologous to human XPO4 (exportin 4). [provided by Alliance of Genome Resources, Apr 2022]