Predicted to enable pyrimidine nucleotide transmembrane transporter activity. Involved in mitochondria-nucleus signaling pathway; positive regulation of cell growth; and pyrimidine nucleotide import into mitochondrion. Located in mitochondrial membrane. Is expressed in brainstem; liver; nervous system; and retina outer nuclear layer. Orthologous to human SLC25A33 (solute carrier family 25 member 33). [provided by Alliance of Genome Resources, Apr 2022]