title: Chromatographic repair of storage-inactivated dihydrofolate reductase from Diplococcus pneumoniae.
mesh_terms: D002482:Cellulose; D002845:Chromatography; D003080:Cold Temperature; D009154:Mutation; D011489:Protein Denaturation; D013296:Streptococcus pneumoniae / Q000201:enzymology*; D013762:Tetrahydrofolate Dehydrogenase / Q000032:analysis*
chemical_list: D002482:Cellulose; D013762:Tetrahydrofolate Dehydrogenase