Enzymes [BR:paua01000]
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
133900423
2. Transferases
2.1 Transferring one-carbon groups
2.1.1 Methyltransferases
2.1.1.45 thymidylate synthase
133900423