# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.338704 Bacteria.1185050 Proteobacteria.723603 Gammaproteobacteria.331519 Nitrosococcus.3409 nhl.1877 nhl:Nhal_2065 Ferroxidase; K02217 ferritin [EC:1.16.3.2]