# OC Root 2nd 3rd 4th PC Gene/Definition OC.154496 Bacteria.81212 Actinobacteria.29678 Nocardiopsis.9375 ngv.3808 ngv:CDO52_20520 sirohydrochlorin chelatase; K03795 sirohydrochlorin cobaltochelatase [EC:4.99.1.3]