si_0121	One-carbon_metabolism_by_tetrahydropterines	5,10-methylenetetrahydrofolate reductase (EC 1.5.1.20)
si_0121	One-carbon_metabolism_by_tetrahydropterines	5-FCL-like protein, but predicted not to be 5-formyltetrahydrofolate cyclo-ligase (5-FCL)
si_0121	One-carbon_metabolism_by_tetrahydropterines	5-formyltetrahydrofolate cyclo-ligase (EC 6.3.3.2)
si_0121	One-carbon_metabolism_by_tetrahydropterines	F420-dependent methylenetetrahydromethanopterin dehydrogenase (EC 1.5.99.9)
si_0121	One-carbon_metabolism_by_tetrahydropterines	Formate--tetrahydrofolate ligase (EC 6.3.4.3)
si_0121	One-carbon_metabolism_by_tetrahydropterines	Formiminotetrahydrofolate cyclodeaminase (EC 4.3.1.4)
si_0121	One-carbon_metabolism_by_tetrahydropterines	Formyltetrahydrofolate deformylase (EC 3.5.1.10)
si_0121	One-carbon_metabolism_by_tetrahydropterines	Methenyltetrahydrofolate cyclohydrolase (EC 3.5.4.9)
si_0121	One-carbon_metabolism_by_tetrahydropterines	Methylene tetrahydromethanopterin dehydrogenase (EC 1.5.99.9)
si_0121	One-carbon_metabolism_by_tetrahydropterines	Methylenetetrahydrofolate dehydrogenase (NADP+) (EC 1.5.1.5)
si_0121	One-carbon_metabolism_by_tetrahydropterines	N(5),N(10)-methenyltetrahydromethanopterin cyclohydrolase (EC 3.5.4.27)