# OC Root 2nd 3rd 4th PC Gene/Definition OC.205655 Archaea.92108 Thaumarchaeota.5206 Nitrososphaera.2333 nvn.1555 nvn:NVIE_015860 putative nucleobase-cation symporter family protein; K10974 cytosine permease OC.205655 Archaea.92108 Thaumarchaeota.5206 Nitrososphaera.2333 nev.824 nev:NTE_00793 purine-cytosine permease-like transporter; K10974 cytosine permease