| Co | user | D-lysine 5,6-aminomutase alpha subunit | NP_622384.1 | | PDB BLAST (NCBI) | STRING search |
| Co | user | D-lysine 5,6-aminomutase alpha subunit | NP_622861.1 | | PDB BLAST (NCBI) | STRING search |
| Co | user | MetH | NP_623391.1 | | PDB BLAST (NCBI) | STRING search |
| Co | user | hypothetical protein (novel B12-containing protein) | NP_622576.1 | | PDB BLAST (NCBI) | STRING search |
| Co | user | methylmalonyl-CoA mutase C-terminal domain-containing protein | NP_622844.1 | | PDB BLAST (NCBI) | STRING search |
| Co | user | methylmalonyl-CoA mutase C-terminal domain-containing protein | NP_623923.1 | | PDB BLAST (NCBI) | STRING search |
| Co | user | ribonucleotide reductase RNR II alpha subunit | NP_623873.1 | | PDB BLAST (NCBI) | STRING search |
| Cu | transporter | CopA | NP_623989.1 | | PDB BLAST (NCBI) | STRING search |
| Ni | user | Ni carbon monoxide dehydrogenase | NP_623304.1 | | PDB BLAST (NCBI) | STRING search |
| Ni | user | Ni-Fe hydrogenase III large subunit | NP_621827.1 | | PDB BLAST (NCBI) | STRING search |
| Ni | user | Ni-Fe hydrogenase III large subunit | NP_623297.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | NikM | NP_621941.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | NikM | NP_623292.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | NikN2 | NP_621940.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | NikN2 | NP_623291.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | NikO | NP_621938.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | NikQ | NP_621939.1 | | PDB BLAST (NCBI) | STRING search |
| Se | user | Glycine reductase selenoprotein A | | | PDB BLAST (NCBI) | STRING search |
| Se | user | Glycine reductase selenoprotein B | | | PDB BLAST (NCBI) | STRING search |
| Se | user | Selenophosphate synthetase | NP_623456.1 | | PDB BLAST (NCBI) | STRING search |
