title: Circular dichroic titration of dihydrofolate reductase with TPNH.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D002942:Circular Dichroism; D009249:NADP; D011485:Protein Binding; D013291:Streptococcus / Q000201:enzymology; D013762:Tetrahydrofolate Dehydrogenase; D014364:Tryptophan
chemical_list: D009249:NADP; D014364:Tryptophan; D013762:Tetrahydrofolate Dehydrogenase