Predicted to enable several functions, including metal ion binding activity; protein homodimerization activity; and ribonucleotide binding activity. Predicted to be involved in histone mRNA catabolic process and mRNA polyadenylation. Predicted to be located in nucleoplasm. Predicted to be active in mitochondrion. Human ortholog(s) of this gene implicated in spastic ataxia 4. Orthologous to human MTPAP (mitochondrial poly(A) polymerase). [provided by Alliance of Genome Resources, Apr 2022]