| Role | Gene | Name | |
|---|
| Agmatinase (EC 3.5.3.11) | No genes | | |
| Agmatine deiminase (EC 3.5.3.12) | SO_0887 | | |
| Arginase (EC 3.5.3.1) | No genes | | |
| Arginine ABC transporter, ATP-binding protein ArtP | No genes | | |
| Arginine ABC transporter, periplasmic arginine-binding protein ArtI | No genes | | |
| Arginine ABC transporter, periplasmic arginine-binding protein ArtJ | No genes | | |
| Arginine ABC transporter, permease protein ArtM | No genes | | |
| Arginine ABC transporter, permease protein ArtQ | No genes | | |
| Arginine N-succinyltransferase (EC 2.3.1.109) | SO0618 | astA | |
| Arginine N-succinyltransferase, alpha subunit (EC 2.3.1.109) | No genes | | |
| Arginine N-succinyltransferase, beta subunit (EC 2.3.1.109) | No genes | | |
| Arginine decarboxylase (EC 4.1.1.19) | No genes | | |
| Arginine decarboxylase, catabolic (EC 4.1.1.19) | No genes | | |
| Arginine deiminase (EC 3.5.3.6) | No genes | | |
| Arginine pathway regulatory protein ArgR, repressor of arg regulon | SO0769 | argR | |
| Arginine permease RocE | No genes | | |
| Arginine utilization protein RocB | No genes | | |
| Arginine utilization regulatory protein RocR | No genes | | |
| Arginine/agmatine antiporter | No genes | | |
| Arginine/ornithine ABC transporter, ATP-binding protein AotP | No genes | | |
| Arginine/ornithine ABC transporter, periplasmic arginine/ornithine binding protein | No genes | | |
| Arginine/ornithine ABC transporter, permease protein AotM | No genes | | |
| Arginine/ornithine ABC transporter, permease protein AotQ | No genes | | |
| Arginine/ornithine antiporter ArcD | SO2798 | | |
| | SO3931 | | |
| | SO4708 | | |
| Biosynthetic arginine decarboxylase (EC 4.1.1.19) | SO1870 | speA | |
| Carbamate kinase (EC 2.7.2.2) | No genes | | |
| Delta-1-pyrroline-5-carboxylate dehydrogenase (EC 1.5.1.12) | No genes | | |
| Histidine ABC transporter, ATP-binding protein HisP (TC 3.A.1.3.1) | No genes | | |
| Histidine ABC transporter, histidine-binding periplasmic protein precursor HisJ (TC 3.A.1.3.1) | No genes | | |
| Histidine ABC transporter, permease protein HisM (TC 3.A.1.3.1) | No genes | | |
| Histidine ABC transporter, permease protein HisQ (TC 3.A.1.3.1) | No genes | | |
| Lysine-arginine-ornithine-binding periplasmic protein precursor (TC 3.A.1.3.1) | No genes | | |
| N-carbamoylputrescine amidase (3.5.1.53) | No genes | | |
| NADP-specific glutamate dehydrogenase (EC 1.4.1.4) | No genes | | |
| Ornithine aminotransferase (EC 2.6.1.13) | No genes | | |
| Ornithine carbamoyltransferase (EC 2.1.3.3) | SO0277 | argF | |
| Ornithine cyclodeaminase (EC 4.3.1.12) | No genes | | |
| Ornithine decarboxylase (EC 4.1.1.17) | SO0314 | speF | |
| | SO4136 | | |
| Putrescine aminotransferase (EC 2.6.1.82) | No genes | | |
| Succinylarginine dihydrolase (EC 3.5.3.23) | SO2706 | astB | |
| Succinylglutamate desuccinylase (EC 3.5.1.96) | SO2338 | astE | |
| Succinylglutamic semialdehyde dehydrogenase (EC 1.2.1.71) | SO0619 | astD | |
| Succinylornithine transaminase (EC 2.6.1.81) | SO0617 | argD | |
| Transcriptional regulator ArcR essential for anaerobic expression of the ADI pathway, Crp/Fnr family | No genes | | |
| Transcriptional regulator of catabolic arginine decarboxylase (adiA) | No genes | | |