# OC Root 2nd 3rd 4th PC Gene/Definition OC.508228 Bacteria.574800 Proteobacteria.781060 Gammaproteobacteria.435094 mpur.488 mpur:MARPU_02355 (4Fe-4S)-binding protein OC.508228 Bacteria.574800 Spirochaetes.34360 - ssm.347 ssm:Spirs_0253 Cobyrinic acid ac-diamide synthase