Enzymes [BR:atho01000]
1. Oxidoreductases
1.5 Acting on the CH-NH group of donors
1.5.1 With NAD+ or NADP+ as acceptor
1.5.1.54 methylenetetrahydrofolate reductase (NADH)
M15_19050
2. Transferases
2.1 Transferring one-carbon groups
2.1.1 Methyltransferases
2.1.1.13 methionine synthase
M15_19050