571-600 of 852
| Nodularia spumigena CCY 9414 | Bacteria | Ni | user | Ni-Fe hydrogenase, large subunit | ZP_01628406.1 | | PDB BLAST (NCBI) | STRING search |
| Nodularia spumigena CCY 9414 | Bacteria | Ni | user | Ni-Fe hydrogenase, large subunit | ZP_01629499.1 | | PDB BLAST (NCBI) | STRING search |
| Nodularia spumigena CCY 9414 | Bacteria | Ni | user | urease alpha subunit | ZP_01632688.1 | | PDB BLAST (NCBI) | STRING search |
| Nostoc punctiforme PCC 73102 | Bacteria | Ni | user | Ni-Fe hydrogenase, large subunit | YP_001864094.1 | | PDB BLAST (NCBI) | STRING search |
| Nostoc punctiforme PCC 73102 | Bacteria | Ni | user | urease, alpha subunit UreC | YP_001864507.1 | | PDB BLAST (NCBI) | STRING search |
| Nostoc sp. PCC 7120 | Bacteria | Ni | user | Ni-Fe hydrogenase large subunit | NP_484720.1 | | PDB BLAST (NCBI) | STRING search |
| Nostoc sp. PCC 7120 | Bacteria | Ni | user | Ni-Fe hydrogenase large subunit | NP_484809.1 | | PDB BLAST (NCBI) | STRING search |
| Nostoc sp. PCC 7120 | Bacteria | Ni | user | urease subunit alpha | NP_487710.1 | | PDB BLAST (NCBI) | STRING search |
| Oceanicola batsensis HTCC2597 | Bacteria | Ni | user | urease alpha subunit | ZP_01001201.1 | | PDB BLAST (NCBI) | STRING search |
| Oceanicola batsensis HTCC2597 | Bacteria | Ni | user | urease, alpha subunit | ZP_00997955.1 | | PDB BLAST (NCBI) | STRING search |
| Oceanicola granulosus HTCC2516 | Bacteria | Ni | user | urease, alpha subunit | ZP_01155201.1 | | PDB BLAST (NCBI) | STRING search |
| Oceanobacter sp. RED65 | Bacteria | Ni | user | urease, alpha subunit | ZP_01308147.1 | | PDB BLAST (NCBI) | STRING search |
| Ochrobactrum anthropi ATCC 49188 | Bacteria | Ni | user | urease subunit alpha | YP_001368895.1 | | PDB BLAST (NCBI) | STRING search |
| Ochrobactrum anthropi ATCC 49188 | Bacteria | Ni | user | urease subunit alpha | YP_001370984.1 | | PDB BLAST (NCBI) | STRING search |
| Opitutaceae bacterium TAV2 | Bacteria | Ni | user | urease, alpha subunit | ZP_02013144.1 | | PDB BLAST (NCBI) | STRING search |
| Ostreococcus lucimarinus | Eukaryota | Ni | user | Urease | | | PDB BLAST (NCBI) | STRING search |
| Ostreococcus tauri | Eukaryota | Ni | user | Urease | | | PDB BLAST (NCBI) | STRING search |
| Parabacteroides distasonis ATCC 8503 | Bacteria | Ni | user | Ni-Fe hydrogenase large subunit | YP_001303173.1 | | PDB BLAST (NCBI) | STRING search |
| Paracoccus denitrificans PD1222 | Bacteria | Ni | user | Ni-Fe hydrogenase, large subunit | YP_916872.1 | | PDB BLAST (NCBI) | STRING search |
| Paracoccus denitrificans PD1222 | Bacteria | Ni | user | Ni-Fe hydrogenase, large subunit | YP_916875.1 | | PDB BLAST (NCBI) | STRING search |
| Paracoccus denitrificans PD1222 | Bacteria | Ni | user | urease subunit alpha | YP_915009.1 | | PDB BLAST (NCBI) | STRING search |
| Pelobacter carbinolicus DSM 2380 | Bacteria | Ni | user | Ni carbon monoxide dehydrogenase, catalytic subunit | YP_355490.1 | | PDB BLAST (NCBI) | STRING search |
| Pelobacter carbinolicus DSM 2380 | Bacteria | Ni | user | Ni carbon monoxide dehydrogenase, catalytic subunit | YP_356313.1 | | PDB BLAST (NCBI) | STRING search |
| Pelobacter propionicus DSM 2379 | Bacteria | Ni | user | Ni-Fe hydrogenase HycE large subunit | YP_903174.1 | | PDB BLAST (NCBI) | STRING search |
| Pelobacter propionicus DSM 2379 | Bacteria | Ni | user | Ni-Fe hydrogenase III HycE large subunit | YP_900284.1 | | PDB BLAST (NCBI) | STRING search |
| Pelobacter propionicus DSM 2379 | Bacteria | Ni | user | Ni-Fe hydrogenase III HycE large subunit | YP_902443.1 | | PDB BLAST (NCBI) | STRING search |
| Pelobacter propionicus DSM 2379 | Bacteria | Ni | user | Ni-Fe hydrogenase III HycE large subunit | YP_902451.1 | | PDB BLAST (NCBI) | STRING search |
| Pelodictyon luteolum DSM 273 | Bacteria | Ni | user | Ni-Fe hydrogenase large chain | YP_375349.1 | | PDB BLAST (NCBI) | STRING search |
| Pelodictyon phaeoclathratiforme BU-1 | Bacteria | Ni | user | Ni-Fe hydrogenase large subunit | YP_002018704.1 | | PDB BLAST (NCBI) | STRING search |
| Pelodictyon phaeoclathratiforme BU-1 | Bacteria | Ni | user | Ni-Fe hydrogenase large subunit | YP_002019299.1 | | PDB BLAST (NCBI) | STRING search |
