title: The evolutionary history of the ornithine cycle as a determinant of its structure and regulation.
mesh_terms: D001120:Arginine / Q000096:biosynthesis; D001412:Bacillus subtilis / Q000378:metabolism; D005075:Biological Evolution; D002222:Carbamoyl-Phosphate Synthase (Ammonia) / Q000378:metabolism; D002223:Carbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing) / Q000378:metabolism; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D004926:Escherichia coli / Q000378:metabolism; D005658:Fungi / Q000201:enzymology; D009492:Neurospora crassa / Q000378:metabolism; D009952:Ornithine / Q000378:metabolism*; D012441:Saccharomyces cerevisiae / Q000378:metabolism; D014508:Urea / Q000096:biosynthesis
chemical_list: D014508:Urea; D001120:Arginine; D009952:Ornithine; D002222:Carbamoyl-Phosphate Synthase (Ammonia); D002223:Carbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing)