title: NAD + -dependent formation of 2-amino- 4 -hydroxy-6-carboxypteridine from 2-amino-4-hydroxy-6-formylpteridine by cell-free extracts of Escherichia coli.
mesh_terms: D000645:Ammonium Sulfate; D011232:Chemical Precipitation; D002850:Chromatography, Gel; D002854:Chromatography, Paper; D004926:Escherichia coli / Q000201:enzymology*; D005470:Fluorometry; D005561:Formates; D006863:Hydrogen-Ion Concentration; D009243:NAD; D009249:NADP; D010088:Oxidoreductases / Q000302:isolation & purification; D011621:Pteridines / Q000096:biosynthesis*; D013053:Spectrophotometry; D014466:Ultraviolet Rays
chemical_list: D005561:Formates; D011621:Pteridines; D009243:NAD; D009249:NADP; D010088:Oxidoreductases; D000645:Ammonium Sulfate