# OC Root 2nd 3rd 4th 5th 6th 7th PC Gene/Definition OC.1993752 Bacteria.1139865 Proteobacteria.667507 Gammaproteobacteria.252886 Gammaproteobacteria___Enterobacteria.62017 Citrobacter.3147 Citrobacter_amalonaticus.3072 caf.2463 caf:AL524_13060 hypothetical protein OC.1993752 Bacteria.1139865 Proteobacteria.667507 Gammaproteobacteria.252886 Gammaproteobacteria___Enterobacteria.62017 Citrobacter.3147 Citrobacter_sp_.13611 cir.4502 cir:C2U53_24920 hypothetical protein