Predicted to enable mRNA binding activity and telomeric DNA binding activity. Predicted to be involved in positive regulation of translation. Predicted to act upstream of or within response to unfolded protein. Predicted to be located in cytosol and nucleoplasm. Predicted to be part of exon-exon junction complex. Predicted to be active in cytoplasm and nucleolus. Is expressed in central nervous system. Orthologous to human UPF3A (UPF3A regulator of nonsense mediated mRNA decay). [provided by Alliance of Genome Resources, Apr 2022]