title: The biosynthesis of folic acid. VII. Enzymatic synthesis of pteridines from guanosine triphosphate.
mesh_terms: D001681:Biological Assay; D002247:Carbon Isotopes; D002384:Catalysis; D002845:Chromatography; D002854:Chromatography, Paper; D003864:Depression, Chemical; D004926:Escherichia coli / Q000201:enzymology*; D005492:Folic Acid; D006150:Guanine Nucleotides; D011621:Pteridines; D013053:Spectrophotometry
chemical_list: D002247:Carbon Isotopes; D006150:Guanine Nucleotides; D011621:Pteridines; D005492:Folic Acid