... Legrain C, Boyen A & Glansdorff N (1998)Genes and enzymes of the acetyl cycle of argininebiosynthesis in the extreme thermophilic bacteriumThermus thermophilus HB27. Microbiology 144,479–492.K. ... N-acetyltransferasetherefore recycles the acetyl moiety of N-acetyl-ornithine, regenerating N-acetylglutamate in citrulline and arginine biosynthesis. This enzyme is functional inall other ... subtilis and S. cerevisiae [14,15]. In this acetyl-recycling pathway, both the first- and the second-stepenzymes, N-acetylglutamate synthase and N-acetylglut-amate kinase, respectively, are inhibited...