Predicted to enable ADP transmembrane transporter activity; ATP transmembrane transporter activity; and guanine nucleotide transmembrane transporter activity. Acts upstream of or within ATP export. Predicted to be located in chromaffin granule membrane. Human ortholog(s) of this gene implicated in porokeratosis. Orthologous to human SLC17A9 (solute carrier family 17 member 9). [provided by Alliance of Genome Resources, Apr 2022]