ATPTR3/PTR3 (PEPTIDE TRANSPORTER PROTEIN 3); transporter. Identical to Peptide transporter PTR3-A (PTR3-A) [Arabidopsis Thaliana] (GB:Q9FNL7;GB:Q8VZK3); similar to proton-dependent oligopeptide transport (POT) family protein [Arabidopsis thaliana] (TAIR:AT5G46040.1); similar to putative nitrate transporter NRT1-3 [Glycine max] (GB:BAB19758.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO71450.1); similar to hypothetical protein [Vitis vinifera] (GB:CAN63331.1); contains InterPro domain TGF-beta receptor, type I/II extracellular region; (InterPro:IPR000109); contains InterPro domain MFS general substrate transporter (InterPro:I