title: Enzymatic pyrophosphorylation of 2-amino-4-hydroxy-6-hydroxymethyl-7,8-dihydropteridine by cell-free extracts of Escherichia coli B.
mesh_terms: D000255:Adenosine Triphosphate / Q000378:metabolism; D002247:Carbon Isotopes; D002474:Cell-Free System; D002854:Chromatography, Paper; D011756:Diphosphates / Q000378:metabolism*; D004926:Escherichia coli / Q000201:enzymology / Q000378:metabolism*; D005453:Fluorescence; D008274:Magnesium / Q000378:metabolism; D011621:Pteridines / Q000378:metabolism*
chemical_list: D002247:Carbon Isotopes; D011756:Diphosphates; D011621:Pteridines; D000255:Adenosine Triphosphate; D008274:Magnesium