title: Dihydrofolate reductase from diplococcus pneumoniae. Purification, amino acid composition, and N-terminal amino acid analysis.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000645:Ammonium Sulfate; D000818:Animals; D002478:Cells, Cultured; D011232:Chemical Precipitation; D002845:Chromatography; D002848:Chromatography, DEAE-Cellulose; D002850:Chromatography, Gel; D004589:Electrophoresis, Disc; D005260:Female; D005827:Genetics, Microbial; D006146:Guanidines; D006851:Hydrochloric Acid; D006882:Hydroxyapatites; D007106:Immune Sera; D005779:Immunodiffusion; D008727:Methotrexate; D009154:Mutation; D009578:Nitrobenzenes; D011479:Protamines; D011485:Protein Binding; D011817:Rabbits; D011995:Recombination, Genetic; D013053:Spectrophotometry; D013296:Streptococcus pneumoniae / Q000201:enzymology*; D013464:Sulfuric Acids; D013762:Tetrahydrofolate Dehydrogenase / Q000032:analysis / Q000302:isolation & purification; D013912:Threonine / Q000032:analysis; D014466:Ultraviolet Rays
chemical_list: D000596:Amino Acids; D006146:Guanidines; D006882:Hydroxyapatites; D007106:Immune Sera; D009578:Nitrobenzenes; D011479:Protamines; D013464:Sulfuric Acids; D013912:Threonine; D013762:Tetrahydrofolate Dehydrogenase; D006851:Hydrochloric Acid; D000645:Ammonium Sulfate; D008727:Methotrexate