ATPTR2-B (NITRATE TRANSPORTER 1); transporter. Identical to Peptide transporter PTR2 (PTR2) [Arabidopsis Thaliana] (GB:P46032); similar to proton-dependent oligopeptide transport (POT) family protein [Arabidopsis thaliana] (TAIR:AT3G54140.1); similar to proton-dependent oligopeptide transport (POT) family protein [Arabidopsis thaliana] (TAIR:AT1G62200.1); similar to proton-dependent oligopeptide transport (POT) family protein [Arabidopsis thaliana] (TAIR:AT2G02020.1); similar to LeOPT1 [Lycopersicon esculentum] (GB:AAD01600.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO42444.1); similar to peptide transporter 1 [Vicia faba]