# OC Root 2nd 3rd 4th PC Gene/Definition OC.669193 Bacteria.442166 Proteobacteria.542943 Betaproteobacteria.247899 metr.1624 metr:BSY238_2478 heme oxygenase family protein; K21480 heme oxygenase (biliverdin-producing, ferredoxin) [EC:1.14.15.20]