title: Phylogenetic aspects of purine metabolism.
mesh_terms: D000481:Allantoin / Q000378:metabolism; D000641:Ammonia / Q000096:biosynthesis; D000663:Amphibians; D000818:Animals; D005075:Biological Evolution; D001717:Birds; D007042:Hypoxanthines / Q000378:metabolism; D007288:Inosine / Q000378:metabolism; D007448:Invertebrates; D008322:Mammals; D009584:Nitrogen / Q000378:metabolism; D010101:Oxygen Consumption; D011687:Purines / Q000378:metabolism*; D012104:Reptiles; D014508:Urea / Q000096:biosynthesis; D014527:Uric Acid / Q000096:biosynthesis; D014969:Xanthine Oxidase / Q000378:metabolism
chemical_list: D007042:Hypoxanthines; D011687:Purines; D014527:Uric Acid; D000481:Allantoin; D007288:Inosine; D000641:Ammonia; D014508:Urea; D014969:Xanthine Oxidase; D009584:Nitrogen