The origin of unconjugated pteridines in Crithidia fasciculata.
D002247:Carbon Isotopes; D056890:Eukaryota / Q000378:metabolism*; D005492:Folic Acid / Q000378:metabolism*; D011621:Pteridines / Q000096:biosynthesis*; D011622:Pterins / Q000096:biosynthesis
D002247:Carbon Isotopes; D011621:Pteridines; D011622:Pterins; D005492:Folic Acid