Predicted to enable pyrimidine nucleotide-sugar transmembrane transporter activity. Predicted to be involved in pyrimidine nucleotide-sugar transmembrane transport. Predicted to be located in Golgi membrane. Is an ortholog of C. elegans srf-3. In C. elegans, srf-3 is involved in UDP-N-acetylglucosamine transmembrane transport and UDP-galactose transmembrane transport.