limn:HKT17_08810 K15576 nitrate/nitrite transport system substrate-binding protein | (GenBank) ABC transporter substrate-binding protein limn:HKT17_08815 K15577 nitrate/nitrite transport system permease protein | (GenBank) ntrB; nitrate ABC transporter permease limn:HKT17_08820 K15578 nitrate/nitrite transport system ATP-binding protein [EC:7.3.2.4] | (GenBank) ABC transporter ATP-binding protein