# OC Root 2nd 3rd 4th PC Gene/Definition OC.658856 Bacteria.463914 Proteobacteria.199694 Betaproteobacteria.59729 aon.3622 aon:DEH84_19005 methylenetetrahydromethanopterin dehydrogenase; K10714 methylene-tetrahydromethanopterin dehydrogenase [EC:1.5.1.-]