# OC Root 2nd 3rd 4th PC Gene/Definition OC.190822 Archaea.91929 Thaumarchaeota.5013 Nitrososphaera.1002 nvn.722 nvn:NVIE_007240 Amino acid ABC transporter substrate binding protein; K02030 polar amino acid transport system substrate-binding protein OC.190822 Archaea.91929 Thaumarchaeota.5013 Nitrososphaera.1002 nev.2004 nev:NTE_02082 amino acid ABC transporter substrate-binding protein, PAAT family; K02030 polar amino acid transport system substrate-binding protein