# OC Root 2nd 3rd 4th PC Gene/Definition OC.658517 Bacteria.146733 Proteobacteria.596187 Deltaproteobacteria.106674 dal.4120 dal:Dalk_4365 transcriptional regulator, TetR family OC.658517 Bacteria.146733 Actinobacteria.272286 - cwo.4793 cwo:Cwoe_5271 transcriptional regulator, TetR family OC.658517 Archaea.37182 Thaumarchaeota.3009 Nitrososphaera.1721 nvn.2481 nvn:NVIE_026020 hypothetical protein OC.658517 Archaea.37182 Thaumarchaeota.3009 Nitrososphaera.1721 nev.526 nev:NTE_00476 transcriptional regulator OC.658517 Archaea.37182 Thaumarchaeota.3009 Nitrososphaera.1721 nev.2834 nev:NTE_02975 transcriptional regulator OC.658517 Archaea.37182 Thaumarchaeota.3009 - taa.554 taa:NMY3_00340 yfiR_1; putative HTH-type transcriptional regulator YfiR OC.658517 Archaea.37182 Thaumarchaeota.3009 - taa.1119 taa:NMY3_01063 icaR; Biofilm operon icaADBC HTH-type negative transcriptional regulator IcaR