| Co | user | B12-dependent methyltransferase, Predicted cobalamin binding protein | NP_275267.1 | | PDB BLAST (NCBI) | STRING search |
| Co | user | MtrA, tetrahydromethanopterin S-methyltransferase subunit A | NP_276190.1 | | PDB BLAST (NCBI) | STRING search |
| Co | user | MtrA, tetrahydromethanopterin S-methyltransferase subunit A | NP_276287.1 | | PDB BLAST (NCBI) | STRING search |
| Co | user | ribonucleotide reductase RNR II, large subunit | NP_275794.1 | | PDB BLAST (NCBI) | STRING search |
| Cu | transporter | CopA | NP_275897.1 | | PDB BLAST (NCBI) | STRING search |
| Cu | transporter | CopA | NP_276648.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | transporter | ModA | NP_276061.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | transporter | ModB | NP_276058.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | transporter | ModC | NP_276057.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | transporter | TupA | NP_275621.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | transporter | TupB | NP_275622.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | transporter | TupC | NP_275620.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | user | DMSO reductase family protein | NP_276268.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | user | DMSO reductase family protein | NP_276665.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | user | DMSO reductase family protein | NP_276680.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | user | DMSO reductase family protein, formylmethanofuran dehydrogenase subunit B | NP_276672.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | user | DMSO reductase family protein, putative formylmethanofuran dehydrogenase subunit B | NP_276056.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | user | Nitrogenase molybdenum-iron protein | NP_276636.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | user | Nitrogenase molybdenum-iron protein | NP_276676.1 | | PDB BLAST (NCBI) | STRING search |
| Ni | user | Acetyl-coenzyme A decarbonylase/synthase | NP_276822.1 | | PDB BLAST (NCBI) | STRING search |
| Ni | user | Methyl-coenzyme M reductase I, alpha subunit | NP_276292.1 | | PDB BLAST (NCBI) | STRING search |
| Ni | user | Methyl-coenzyme M reductase II, alpha subunit | NP_276257.1 | | PDB BLAST (NCBI) | STRING search |
| Ni | user | Ni-Fe hydrogenase, coenzyme F420-reducing hydrogenase, alpha subunit | NP_276419.1 | | PDB BLAST (NCBI) | STRING search |
| Ni | user | Ni-Fe hydrogenase, formate hydrogenlyase, subunit 5 | NP_275541.1 | | PDB BLAST (NCBI) | STRING search |
| Ni | user | Ni-Fe hydrogenase, formate hydrogenlyase, subunit 5 | NP_276366.1 | | PDB BLAST (NCBI) | STRING search |
| Ni | user | Ni-Fe hydrogenase, methyl viologen-reducing hydrogenase, alpha subunit | NP_276262.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | CbiM | NP_275273.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | CbiN | NP_275274.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | CbiO | NP_275276.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | CbiQ | NP_275275.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | NikM | NP_275343.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | NikM | NP_276819.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | NikN1 | NP_276818.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | NikO | NP_276816.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | NikQ | NP_276817.1 | | PDB BLAST (NCBI) | STRING search |
