ss00759 ArcA Arginine deiminase (EC 3.5.3.6) ss00759 ArcB Ornithine carbamoyltransferase (EC 2.1.3.3) ss00759 ArcC Carbamate kinase (EC 2.7.2.2) ss00759 ArcD Arginine/ornithine antiporter ArcD ss00759 ArcR Transcriptional regulator ArcR essential for anaerobic expression of the ADI pathway, Crp/Fnr family ss00759 ArgR Arginine pathway regulatory protein ArgR, repressor of arg regulon