# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.635746 Bacteria.1122603 Proteobacteria.639779 Gammaproteobacteria.43156 Gammaproteobacteria___Enterobacteria.2240 sect.794 sect:A359_08370 inorganic pyrophosphatase; K01507 inorganic pyrophosphatase [EC:3.6.1.1]