# OC Root 2nd 3rd 4th PC Gene/Definition OC.154496 Bacteria.81212 Bacteroidetes.34861 Chitinophaga.7183 cpi.4304 cpi:Cpin_4473 cobalamin (vitamin B12) biosynthesis CbiX protein; K03795 sirohydrochlorin cobaltochelatase [EC:4.99.1.3]