6.3.3.2 folate transformations I - - PWY-2201 6.3.3.2 folate transformations II (plants) - - PWY-3841 6.3.3.2 folate transformations III (E. coli) - - 1CMET2-PWY 6.3.3.2 Metabolic pathways - 01100 - 6.3.3.2 One carbon pool by folate - 00670 - 6.3.3.2 tetrahydrofolate metabolism tetrahydrofolate metabolism - -