proton-dependent oligopeptide transport (POT) family protein. similar to proton-dependent oligopeptide transport (POT) family protein [Arabidopsis thaliana] (TAIR:AT4G21680.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO70438.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO63418.1); similar to hypothetical protein [Vitis vinifera] (GB:CAN77707.1); contains InterPro domain TGF-beta receptor, type I/II extracellular region; (InterPro:IPR000109); contains InterPro domain MFS general substrate transporter (InterPro:IPR016196)