| Role | Gene | Name | |
|---|
| AMP/CMP kinase AK6 | No genes | | |
| Cephalosporin hydroxylase | No genes | | |
| Cob(I)alamin adenosyltransferase fragment | No genes | | |
| GTP-binding protein RBG1 | No genes | | |
| GTP-binding protein, gtp1/obg family | No genes | | |
| Hydroxylamine oxidoreductase precursor (EC 1.7.3.4) | No genes | | |
| Lipid A export ATP-binding/permease protein MsbA | Psyr_1830 | | |
| | Psyr_3656 | | |
| | Psyr_3827 | | |
| LysR family transcriptional regulator clustered with dicarboxylate transport | Psyr_2671 | | |
| MFS superfamily export protein YceL | No genes | | |
| Microcompartment protein protein similar to PduA/PduJ | No genes | | |
| Mitochondrial processing peptidase-like protein (EC 3.4.24.64) | No genes | | |
| Na+/H+ antiporter | Psyr_0502 | | |
| Na+/H+ antiporter NhaB | No genes | | |
| Peptidyl-tRNA hydrolase, archaeal type (EC 3.1.1.29) | No genes | | |
| Phage-encoded chromosome degrading nuclease YokF | No genes | | |
| Phosphatidyl-N-methylethanolamine N-methyltransferase (EC 2.1.1.71) | No genes | | |
| Phosphatidylcholine synthase (EC 2.7.8.24) | Psyr_0866 | | |
| Phosphocarrier protein kinase/phosphorylase, nitrogen regulation associated | No genes | | |
| Pole remodelling regulatory diguanylate cyclase | No genes | | |
| Proposed peptidoglycan lipid II flippase MurJ | Psyr_0708 | | |
| Protein of unknown function DUF81 | No genes | | |
| Protein of unknown function DUF81, type 2 | No genes | | |
| Protein of unknown function YceH | No genes | | |
| Protein secretion chaperonin CsaA | No genes | | |
| Proton/aspartate symport protein | No genes | | |
| Proton/glutamate symport protein | No genes | | |
| Putative GTP-binding protien TM0445 | No genes | | |
| Putative heat shock protein YegD | Psyr_4441 | | |
| Putative membrane protein YfcA | No genes | | |
| Putative permease PerM (= YfgO) | Psyr_1545 | | |
| Putative permease often clustered with de novo purine synthesis | Psyr_3687 | | |
| Pyrrolidone-carboxylate peptidase (EC 3.4.19.3) | No genes | | |
| Quinone oxidoreductase (EC 1.6.5.5) | Psyr_0023 | | |
| | Psyr_0313 | | |
| RNase L inhibitor | No genes | | |
| Sodium/glutamate symport protein | No genes | | |
| Transcription accessory protein (S1 RNA-binding domain) | Psyr_0257 | | |
| Tyrosine-specific transport protein | No genes | | |
| Uncharacterized ATP-dependent helicase MJ0294 | No genes | | |
| Virulence factor MviM | No genes | | |