| Co | user | MetH | YP_394540.1 | | PDB BLAST (NCBI) | STRING search |
| Cu | transporter | CopA | YP_393090.1 | | PDB BLAST (NCBI) | STRING search |
| Cu | transporter | CopA | YP_393736.1 | | PDB BLAST (NCBI) | STRING search |
| Cu | user | COX I | YP_392597.1 | | PDB BLAST (NCBI) | STRING search |
| Cu | user | Nitrous oxide reductase | YP_393811.1 | | PDB BLAST (NCBI) | STRING search |
| Cu | user | Nitrous oxide reductase | YP_394279.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | transporter | ModA | YP_393436.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | transporter | ModB | YP_393438.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | transporter | ModC | YP_393439.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | user | DMSO reductase family protein | YP_393015.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | user | DMSO reductase family protein | YP_393768.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | user | DMSO reductase family protein | YP_394026.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | user | DMSO reductase family protein | YP_394411.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | user | Sulfite oxidase family protein | YP_394569.1 | | PDB BLAST (NCBI) | STRING search |
| Mo_Se | user | DMSO reductase family protein, Sec-containing FdhA | YP_393335.2 | | PDB BLAST (NCBI) | STRING search |
| Ni | user | Ni-Fe hydrogenase, large subunit | YP_393947.1 | | PDB BLAST (NCBI) | STRING search |
| Ni | user | Ni-Fe hydrogenase, large subunit | YP_393949.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | NikK2 | YP_392575.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | NikL2 | YP_392576.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | NikM | YP_392578.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | NikO | YP_392580.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | permease (similar Q topology) | YP_392579.1 | | PDB BLAST (NCBI) | STRING search |
| Se | user | Selenophosphate synthetase | YP_393344.1 | | PDB BLAST (NCBI) | STRING search |
