# OC Root 2nd 3rd 4th PC Gene/Definition OC.573469 Archaea.36386 Thaumarchaeota.1589 Nitrosopumilus.2181 nid.368 nid:NPIRD3C_0360 HTH-type transcriptional regulator LrpC OC.573469 Archaea.36386 Thaumarchaeota.1589 Nitrososphaera.753 nga.3289 nga:Ngar_c35800 putative transcriptional regulator, HxlR family OC.573469 Archaea.36386 Thaumarchaeota.1589 Nitrososphaera.753 nvn.1998 nvn:NVIE_020770 putative transcriptional regulator, HxlR family OC.573469 Archaea.36386 Thaumarchaeota.1589 Nitrososphaera.753 nev.173 nev:NTE_00055 transcriptional regulator, HxlR family OC.573469 Archaea.36386 Thaumarchaeota.1589 - taa.1792 taa:NMY3_02002 yybR_2; putative HTH-type transcriptional regulator YybR OC.573469 Archaea.36386 Thaumarchaeota.1589 - ndv.425 ndv:NDEV_0357 putative transcriptional regulator, HxlR family