| Role | Gene | Name | |
|---|
| Agmatinase (EC 3.5.3.11) | Pf6N2E2_2655 | | |
| Agmatine deiminase (EC 3.5.3.12) | Pf6N2E2_3876 | | |
| 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 | Pf6N2E2_1756 | | |
| Arginine ABC transporter, permease protein ArtM | No genes | | |
| Arginine ABC transporter, permease protein ArtQ | Pf6N2E2_3857 | | |
| Arginine N-succinyltransferase (EC 2.3.1.109) | Pf6N2E2_2181 | | |
| | Pf6N2E2_5667 | | |
| Arginine N-succinyltransferase, alpha subunit (EC 2.3.1.109) | Pf6N2E2_2180 | | |
| | Pf6N2E2_5666 | | |
| Arginine N-succinyltransferase, beta subunit (EC 2.3.1.109) | No genes | | |
| Arginine decarboxylase (EC 4.1.1.19) | Pf6N2E2_3334 | | |
| Arginine decarboxylase, catabolic (EC 4.1.1.19) | No genes | | |
| Arginine deiminase (EC 3.5.3.6) | Pf6N2E2_2908 | | |
| Arginine pathway regulatory protein ArgR, repressor of arg regulon | Pf6N2E2_5664 | | |
| 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 | Pf6N2E2_5663 | | |
| Arginine/ornithine ABC transporter, periplasmic arginine/ornithine binding protein | Pf6N2E2_1098 | | |
| | Pf6N2E2_5395 | | |
| | Pf6N2E2_5660 | | |
| Arginine/ornithine ABC transporter, permease protein AotM | Pf6N2E2_5662 | | |
| Arginine/ornithine ABC transporter, permease protein AotQ | Pf6N2E2_5661 | | |
| Arginine/ornithine antiporter ArcD | Pf6N2E2_1517 | | |
| | Pf6N2E2_2906 | | |
| | Pf6N2E2_2907 | | |
| Biosynthetic arginine decarboxylase (EC 4.1.1.19) | Pf6N2E2_3504 | | |
| Carbamate kinase (EC 2.7.2.2) | Pf6N2E2_2910 | | |
| Delta-1-pyrroline-5-carboxylate dehydrogenase (EC 1.5.1.12) | Pf6N2E2_3685 | | |
| Histidine ABC transporter, ATP-binding protein HisP (TC 3.A.1.3.1) | Pf6N2E2_2962 | | |
| | Pf6N2E2_3855 | | |
| 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) | Pf6N2E2_2960 | | |
| Histidine ABC transporter, permease protein HisQ (TC 3.A.1.3.1) | Pf6N2E2_2959 | | |
| Lysine-arginine-ornithine-binding periplasmic protein precursor (TC 3.A.1.3.1) | Pf6N2E2_2958 | | |
| | Pf6N2E2_3856 | | |
| | Pf6N2E2_4282 | | |
| 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) | Pf6N2E2_2909 | | |
| | Pf6N2E2_5579 | | |
| Ornithine cyclodeaminase (EC 4.3.1.12) | Pf6N2E2_3317 | | |
| | Pf6N2E2_3321 | | |
| | Pf6N2E2_5398 | | |
| | Pf6N2E2_5399 | | |
| Ornithine decarboxylase (EC 4.1.1.17) | Pf6N2E2_3334 | | |
| Putrescine aminotransferase (EC 2.6.1.82) | No genes | | |
| Succinylarginine dihydrolase (EC 3.5.3.23) | Pf6N2E2_5669 | | |
| Succinylglutamate desuccinylase (EC 3.5.1.96) | Pf6N2E2_5671 | | |
| Succinylglutamic semialdehyde dehydrogenase (EC 1.2.1.71) | Pf6N2E2_5668 | | |
| Succinylornithine transaminase (EC 2.6.1.81) | Pf6N2E2_5665 | | |
| 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 | | |