<unk>  is the substrate used by<unk>  reductase to generate<unk> -methyltetrahydrofolate. This is a coenzyme used in thymidine biosynthesis by thymidylate synthase (FAD).
5,10-Methylenetetrahydrofolate
5-Methyltetrahydrofolate
Nicotinamide adenine dinucleotide
Tetrahydrobiopterin
S-Adenosyl methionine
Aminopterin
Pyridoxal phosphate
Nicotinamide adenine dinucleotide phosphate