# OC Root 2nd 3rd 4th PC Gene/Definition OC.567097 Bacteria.654012 Actinobacteria.231283 Rubrobacter.123 rxy.1166 rxy:Rxyl_1131 cobalamin (vitamin B12) biosynthesis CbiX protein OC.567097 Bacteria.654012 Actinobacteria.231283 Rubrobacter.123 rrd.1154 rrd:RradSPS_1126 hypothetical protein; K03795 sirohydrochlorin cobaltochelatase [EC:4.99.1.3]