xanthine/uracil permease family protein. Identical to Putative nucleobase-ascorbate transporter 9 (NAT9) [Arabidopsis Thaliana] (GB:Q3E956); similar to xanthine/uracil permease family protein [Arabidopsis thaliana] (TAIR:AT1G65550.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO61486.1); contains InterPro domain Xanthine/uracil/vitamin C permease; (InterPro:IPR006043)