Enzymes [BR:pcox01000]
1. Oxidoreductases
1.5 Acting on the CH-NH group of donors
1.5.1 With NAD+ or NADP+ as acceptor
1.5.1.3 dihydrofolate reductase
137725416
2. Transferases
2.1 Transferring one-carbon groups
2.1.1 Methyltransferases
2.1.1.45 thymidylate synthase
137725416