| Co | user | B12-dependent methyltransferase, B12-binding | NP_987949.1 | | PDB BLAST (NCBI) | STRING search |
| Co | user | B12-dependent methyltransferase, B12-binding | NP_988271.1 | | PDB BLAST (NCBI) | STRING search |
| Co | user | MtrA, tetrahydromethanopterin S-methyltransferase subunit A | NP_988684.1 | | PDB BLAST (NCBI) | STRING search |
| Co | user | MtrA, tetrahydromethanopterin S-methyltransferase subunit A | NP_988685.1 | | PDB BLAST (NCBI) | STRING search |
| Cu | transporter | CopA | NP_988285.1 | | PDB BLAST (NCBI) | STRING search |
| Cu | user | Plastocyanin-like | NP_988117.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | transporter | ModA | NP_987325.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | transporter | ModA | NP_987634.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | transporter | ModA | NP_988771.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | transporter | ModB | NP_987326.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | transporter | ModB | NP_987635.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | transporter | ModB | NP_988770.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | transporter | ModC | NP_987327.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | transporter | ModC | NP_988769.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | transporter | WtpA | NP_988772.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | transporter | WtpB | NP_988639.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | transporter | WtpC | NP_988638.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | user | Aldehyde ferredoxin oxidoreductase | NP_988065.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | user | DMSO reductase family protein, formylmethanofuran dehydrogenase subunit B | NP_987632.1 | | PDB BLAST (NCBI) | STRING search |
| Mo | user | Nitrogenase molybdenum-iron protein | NP_987976.1 | | PDB BLAST (NCBI) | STRING search |
| Mo_Se | user | DMSO reductase family protein, Sec-containing FdhA | NP_987258.1 | | PDB BLAST (NCBI) | STRING search |
| Mo_Se | user | DMSO reductase family protein, Sec-containing FdhA | NP_988418.1 | | PDB BLAST (NCBI) | STRING search |
| Mo_Se | user | DMSO reductase family protein, Sec-containing FdhA, formylmethanofuran dehydrogenase subunit B | NP_987631.1 | | PDB BLAST (NCBI) | STRING search |
| Mo_Se | user | DMSO reductase family protein, Sec-containing FdhA, formylmethanofuran dehydrogenase subunit B | NP_988811.1 | | PDB BLAST (NCBI) | STRING search |
| Ni | user | Acetyl-coenzyme A decarbonylase/synthase | NP_988103.1 | | PDB BLAST (NCBI) | STRING search |
| Ni | user | Methyl-coenzyme M reductase I, alpha subunit | NP_988679.1 | | PDB BLAST (NCBI) | STRING search |
| Ni | user | Ni-Fe hydrogenase large subunit | NP_988273.1 | | PDB BLAST (NCBI) | STRING search |
| Ni | user | Ni-Fe hydrogenase large subunit | NP_988582.1 | | PDB BLAST (NCBI) | STRING search |
| Ni | user | Ni-Fe hydrogenase, F420-non-reducing hydrogenase subunit alpha | NP_988814.1 | | PDB BLAST (NCBI) | STRING search |
| Ni | user | Ni-Fe hydrogenase, coenzyme F420-non-reducing hydrogenase subunit alpha | NP_987943.1 | | PDB BLAST (NCBI) | STRING search |
| Ni | user | Ni-Fe hydrogenase, coenzyme F420-reducing hydrogenase subunit alpha | NP_987940.1 | | PDB BLAST (NCBI) | STRING search |
| Ni | user | Ni-Fe hydrogenase, coenzyme F420-reducing hydrogenase subunit alpha | NP_988502.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | CbiM | NP_988601.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | CbiN | NP_988602.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | CbiO | NP_988604.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | CbiQ | NP_988603.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | NikM | NP_988009.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | NikN1 | NP_988008.1 | | PDB BLAST (NCBI) | STRING search |
| Ni/Co | transporter | NikQ | NP_988006.1 | | PDB BLAST (NCBI) | STRING search |
| Se | user | Coenzyme F420-reducing hydrogenase, alpha subunit, FrhA | NP_988502.1 | | PDB BLAST (NCBI) | STRING search |
| Se | user | Coenzyme F420-reducing hydrogenase, alpha subunit, FrhA | NP_988813.1 | | PDB BLAST (NCBI) | STRING search |
| Se | user | Coenzyme F420-reducing hydrogenase, delta subunit, FrhD | NP_988816.1 | | PDB BLAST (NCBI) | STRING search |
| Se | user | HesB-like | NP_987372.1 | | PDB BLAST (NCBI) | STRING search |
| Se | user | Heterodisulfide reductase, subunit A, HdrA | NP_988817.1 | | PDB BLAST (NCBI) | STRING search |
| Se | user | Selenophosphate synthetase | NP_988024.1 | | PDB BLAST (NCBI) | STRING search |
