# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.419864 Eukaryotes.475248 Animals.244081 Arthropods.118793 Mites_and_ticks.19262 tut.2177 tut:107360465 methylenetetrahydrofolate reductase; K00297 methylenetetrahydrofolate reductase (NADPH) [EC:1.5.1.20]