# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.509068 Bacteria.260561 Actinobacteria.191820 Frankia.6402 Frankia_sp_.4074 fre.3240 fre:Franean1_3406 hydrogenase maturation protease; K03605 hydrogenase maturation protease [EC:3.4.23.-]