UNE2 (unfertilized embryo sac 2); carbohydrate transmembrane transporter/ sugar:hydrogen ion symporter. similar to transporter-related [Arabidopsis thaliana] (TAIR:AT5G10190.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO21163.1); similar to hypothetical protein [Vitis vinifera] (GB:CAN67717.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO61732.1); contains InterPro domain Major facilitator superfamily MFS-1 (InterPro:IPR011701); contains InterPro domain Major facilitator superfamily; (InterPro:IPR007114); contains InterPro domain MFS general substrate transporter (InterPro:IPR016196)