PDE135 (PIGMENT DEFECTIVE EMBRYO 135); transmembrane transporter. Identical to Nucleobase-ascorbate transporter 3 (NAT3) [Arabidopsis Thaliana] (GB:Q8GZD4;GB:O48718); similar to xanthine/uracil permease family protein [Arabidopsis thaliana] (TAIR:AT2G34190.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO61277.1); similar to hypothetical protein OsI_037641 [Oryza sativa (indica cultivar-group)] (GB:EAY83682.1); similar to hypothetical protein OsJ_035234 [Oryza sativa (japonica cultivar-group)] (GB:EAZ21025.1); contains InterPro domain Xanthine/uracil/vitamin C permease; (InterPro:IPR006043)