# OC Root 2nd 3rd 4th PC Gene/Definition OC.419878 Bacteria.333728 Spirochaetes.30432 Treponema.11204 tpi.2684 tpi:TREPR_3127 methylenetetrahydrofolate reductase (NAD(P)H); K00297 methylenetetrahydrofolate reductase (NADPH) [EC:1.5.1.20]