# OC Root 2nd 3rd 4th PC Gene/Definition OC.522545 Bacteria.133309 Spirochaetes.18884 Sphaerochaeta.95 sbu.1125 sbu:SpiBuddy_1141 hypothetical protein OC.522545 Bacteria.133309 Spirochaetes.18884 Sphaerochaeta.95 sgp.746 sgp:SpiGrapes_0745 hypothetical protein; K07347 outer membrane usher protein