# OC Root 2nd 3rd 4th PC Gene/Definition OC.205644 Archaea.37722 Thaumarchaeota.3817 Nitrososphaera.967 nga.1469 nga:Ngar_c15450 cytX; putative hydroxymethylpyrimidine transporter CytX OC.205644 Archaea.37722 Thaumarchaeota.3817 Nitrososphaera.967 nvn.677 nvn:NVIE_006740 cytX; putative hydroxymethylpyrimidine transporter CytX OC.205644 Archaea.37722 Thaumarchaeota.3817 Nitrososphaera.967 nev.1964 nev:NTE_02035 purine-cytosine permease-like transporter OC.205644 Archaea.37722 Thaumarchaeota.3817 - taa.682 taa:NMY3_00506 pucI; putative allantoin permease