# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.635733 Bacteria.932821 Proteobacteria.113376 Gammaproteobacteria.322638 Methylomonas.2590 mdh.3507 mdh:AYM39_18560 inorganic pyrophosphatase; K01507 inorganic pyrophosphatase [EC:3.6.1.1] OC.635733 Bacteria.932821 Proteobacteria.113376 Gammaproteobacteria.322638 Methylomonas.2590 mko.3568 mko:MKLM6_3754 inorganic pyrophosphatase; K01507 inorganic pyrophosphatase [EC:3.6.1.1]