The evolutionary history of the ornithine cycle as a determinant of its structure and regulation.

Arginine/biosynthesis Bacillus subtilis/metabolism Biological Evolution Carbamoyl-Phosphate Synthase (Ammonia)/metabolism Carbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing)/metabolism Chemical Phenomena Chemistry, Physical Escherichia coli/metabolism Fungi/enzymology Neurospora crassa/metabolism Ornithine/metabolism Saccharomyces cerevisiae/metabolism Urea/biosynthesis

Urea Arginine Ornithine Carbamoyl-Phosphate Synthase (Ammonia) Carbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing)