title: Tryptophan as a source of one-carbon units for purine biosynthesis de novo.
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D005260:Female; D005561:Formates / Q000378:metabolism; D006854:Hydrocortisone / Q000494:pharmacology; D007413:Intestinal Mucosa / Q000378:metabolism; D007668:Kidney / Q000378:metabolism; D008099:Liver / Q000378:metabolism; D051379:Mice; D011687:Purines / Q000096:biosynthesis*; D012694:Serine / Q000378:metabolism; D013997:Time Factors; D014364:Tryptophan / Q000378:metabolism*
chemical_list: D002247:Carbon Isotopes; D005561:Formates; D011687:Purines; D012694:Serine; D014364:Tryptophan; D006854:Hydrocortisone