1-30 of 852
| Acaryochloris marina MBIC11017 | Bacteria | Ni | user | Ni SodN, putative | YP_001514877.1 | | PDB BLAST (NCBI) | STRING search |
| Acaryochloris marina MBIC11017 | Bacteria | Ni | user | Ni-Fe hydrogenase large subunit HoxH | YP_001521996.1 | | PDB BLAST (NCBI) | STRING search |
| Acaryochloris marina MBIC11017 | Bacteria | Ni | user | urease subunit alpha | YP_001519392.1 | | PDB BLAST (NCBI) | STRING search |
| Acidiphilium cryptum JF-5 | Bacteria | Ni | user | Ni-Fe hydrogenase, large subunit | YP_001233483.1 | | PDB BLAST (NCBI) | STRING search |
| Acidobacteria bacterium Ellin345 | Bacteria | Ni | user | Ni-Fe hydrogenase, large subunit | YP_593314.1 | | PDB BLAST (NCBI) | STRING search |
| Acidothermus cellulolyticus 11B | Bacteria | Ni | user | Ni SodN | YP_872325.1 | | PDB BLAST (NCBI) | STRING search |
| Acidothermus cellulolyticus 11B | Bacteria | Ni | user | Ni-Fe hydrogenase, large subunit | YP_872778.1 | | PDB BLAST (NCBI) | STRING search |
| Acidovorax avenae subsp. citrulli AAC00-1 | Bacteria | Ni | user | urease subunit alpha | YP_971858.1 | | PDB BLAST (NCBI) | STRING search |
| Acinetobacter baumannii ATCC 17978 | Bacteria | Ni | user | urease subunit alpha | YP_001084048.2 | | PDB BLAST (NCBI) | STRING search |
| Acinetobacter sp. ADP1 | Bacteria | Ni | user | urease subunit alpha | YP_045798.1 | | PDB BLAST (NCBI) | STRING search |
| Actinobacillus pleuropneumoniae L20 | Bacteria | Ni | user | Ni-Fe hydrogenase 2 large subunit | YP_001054023.1 | | PDB BLAST (NCBI) | STRING search |
| Actinobacillus pleuropneumoniae L20 | Bacteria | Ni | user | urease subunit alpha | YP_001054305.1 | | PDB BLAST (NCBI) | STRING search |
| Actinobacillus succinogenes 130Z | Bacteria | Ni | user | Ni-Fe hydrogenase 2 large subunit | YP_001344575.1 | | PDB BLAST (NCBI) | STRING search |
| Aeromonas hydrophila subsp. hydrophila ATCC 7966 | Bacteria | Ni | user | Ni-Fe hydrogenase 2 large subunit | YP_857036.1 | | PDB BLAST (NCBI) | STRING search |
| Aeromonas hydrophila subsp. hydrophila ATCC 7966 | Bacteria | Ni | user | Ni-Fe hydrogenase 4 component G | YP_857016.1 | | PDB BLAST (NCBI) | STRING search |
| Aeromonas salmonicida subsp. salmonicida A449 | Bacteria | Ni | user | Ni-Fe hydrogenase 2 large subunit | YP_001141617.1 | | PDB BLAST (NCBI) | STRING search |
| Aeromonas salmonicida subsp. salmonicida A449 | Bacteria | Ni | user | Ni-Fe hydrogenase precursor | YP_001141637.1 | | PDB BLAST (NCBI) | STRING search |
| Agrobacterium tumefaciens str. C58 | Bacteria | Ni | user | urease subunit alpha | NP_355353.1 | | PDB BLAST (NCBI) | STRING search |
| Ajellomyces capsulatus NAm1 | Eukaryota | Ni | user | Urease | | | PDB BLAST (NCBI) | STRING search |
| Alcanivorax borkumensis SK2 | Bacteria | Ni | user | urease subunit alpha | YP_694439.1 | | PDB BLAST (NCBI) | STRING search |
| Alkalilimnicola ehrlichei MLHE-1 | Bacteria | Ni | user | Ni-Fe hydrogenase, large subunit | YP_742842.1 | | PDB BLAST (NCBI) | STRING search |
| Alkalilimnicola ehrlichei MLHE-1 | Bacteria | Ni | user | Ni-Fe hydrogenase, large subunit | YP_742860.1 | | PDB BLAST (NCBI) | STRING search |
| Alkalilimnicola ehrlichei MLHE-1 | Bacteria | Ni | user | urease subunit alpha | YP_741029.1 | | PDB BLAST (NCBI) | STRING search |
| Alkaliphilus metalliredigens QYMF | Bacteria | Ni | user | Acetyl-coenzyme A decarbonylase/synthase | YP_001319849.1 | | PDB BLAST (NCBI) | STRING search |
| Alkaliphilus metalliredigens QYMF | Bacteria | Ni | user | Ni carbon monoxide dehydrogenase catalytic subunit | YP_001319044.1 | | PDB BLAST (NCBI) | STRING search |
| Alkaliphilus metalliredigens QYMF | Bacteria | Ni | user | Ni carbon monoxide dehydrogenase catalytic subunit | YP_001319837.1 | | PDB BLAST (NCBI) | STRING search |
| Alkaliphilus metalliredigens QYMF | Bacteria | Ni | user | Ni carbon monoxide dehydrogenase catalytic subunit | YP_001321542.1 | | PDB BLAST (NCBI) | STRING search |
| Alteromonas macleodii 'Deep ecotype' | Bacteria | Ni | user | Ni-Fe hydrogenase large chain | YP_002124659.1 | | PDB BLAST (NCBI) | STRING search |
| Alteromonas macleodii 'Deep ecotype' | Bacteria | Ni | user | urease, alpha subunit | YP_002125197.1 | | PDB BLAST (NCBI) | STRING search |
| Anabaena variabilis ATCC 29413 | Bacteria | Ni | user | Ni-Fe hydrogenase, large subunit | YP_325087.1 | | PDB BLAST (NCBI) | STRING search |
