# OC Root 2nd 3rd 4th PC Gene/Definition OC.1505257 Bacteria.581965 Spirochaetes.9501 Sphaerochaeta.996 sbu.22 sbu:SpiBuddy_1550 IstB domain protein ATP-binding protein OC.1505257 Bacteria.581965 Spirochaetes.9501 Sphaerochaeta.996 sbu.22 sbu:SpiBuddy_2384 IstB domain protein ATP-binding protein