Enables protein C-terminus binding activity. Predicted to be involved in NLS-bearing protein import into nucleus. Predicted to act upstream of or within protein transport. Predicted to be located in cytoplasm. Predicted to be active in nucleoplasm. Is expressed in several structures, including gonad; heart; liver; lung; and spleen. Orthologous to human KPNA3 (karyopherin subunit alpha 3). [provided by Alliance of Genome Resources, Apr 2022]