# OC Root 2nd 3rd 4th PC Gene/Definition OC.506093 Bacteria.83548 Spirochaetes.19306 Sphaerochaeta.1440 sbu.2869 sbu:SpiBuddy_2972 transcriptional regulator, GntR family OC.506093 Bacteria.83548 Spirochaetes.19306 Sphaerochaeta.1440 sgp.1921 sgp:SpiGrapes_2015 transcriptional regulator