Biosynthesis of pteridines in D. melanogaster.
D002247:Carbon Isotopes; D004330:Drosophila / Q000378:metabolism*; D006150:Guanine Nucleotides / Q000378:metabolism; D008956:Models, Chemical; D011621:Pteridines / Q000096:biosynthesis*
D002247:Carbon Isotopes; D006150:Guanine Nucleotides; D011621:Pteridines