# OC Root 2nd 3rd 4th PC Gene/Definition OC.154496 Bacteria.81212 Proteobacteria.323303 Gammaproteobacteria.175471 oai.337 oai:OLEAN_C02900 cbiX; Cobalamin (Vitamin B12) biosynthesis CbiX protein; K03795 sirohydrochlorin cobaltochelatase [EC:4.99.1.3]