proton-dependent oligopeptide transport (POT) family protein. similar to proton-dependent oligopeptide transport (POT) family protein [Arabidopsis thaliana] (TAIR:AT3G01350.1); similar to Os06g0239500 [Oryza sativa (japonica cultivar-group)] (GB:NP_001057261.1); similar to TGF-beta receptor, type I/II extracellular region [Medicago truncatula] (GB:ABO83740.1); contains InterPro domain TGF-beta receptor, type I/II extracellular region; (InterPro:IPR000109); contains InterPro domain MFS general substrate transporter (InterPro:IPR016196)