691-720 of 852
| Roseovarius sp. 217 | Bacteria | Ni | user | urease alpha subunit | ZP_01036625.1 | | PDB BLAST (NCBI) | STRING search |
| Roseovarius sp. 217 | Bacteria | Ni | user | urease, alpha subunit | ZP_01035582.1 | | PDB BLAST (NCBI) | STRING search |
| Roseovarius sp. HTCC2601 | Bacteria | Ni | user | Ni-Fe hydrogenase large subunit | ZP_01443054.1 | | PDB BLAST (NCBI) | STRING search |
| Roseovarius sp. HTCC2601 | Bacteria | Ni | user | Ni-Fe hydrogenase protein large subunit | ZP_01443057.1 | | PDB BLAST (NCBI) | STRING search |
| Roseovarius sp. HTCC2601 | Bacteria | Ni | user | urease alpha subunit | ZP_01442942.1 | | PDB BLAST (NCBI) | STRING search |
| Roseovarius sp. HTCC2601 | Bacteria | Ni | user | urease, alpha subunit | ZP_01443191.1 | | PDB BLAST (NCBI) | STRING search |
| Ruminococcus gnavus ATCC 29149 | Bacteria | Ni | user | Ni carbon monoxide dehydrogenase, catalytic subunit | ZP_02041003.1 | | PDB BLAST (NCBI) | STRING search |
| Ruminococcus obeum ATCC 29174 | Bacteria | Ni | user | Acetyl-coenzyme A decarbonylase/synthase | ZP_01966292.1 | | PDB BLAST (NCBI) | STRING search |
| Ruminococcus obeum ATCC 29174 | Bacteria | Ni | user | Acetyl-coenzyme A decarbonylase/synthase | ZP_01966293.1 | | PDB BLAST (NCBI) | STRING search |
| Ruminococcus obeum ATCC 29174 | Bacteria | Ni | user | Ni carbon monoxide dehydrogenase, catalytic subunit | ZP_01966295.1 | | PDB BLAST (NCBI) | STRING search |
| Ruminococcus torques ATCC 27756 | Bacteria | Ni | user | Ni carbon monoxide dehydrogenase, catalytic subunit | ZP_01966675.1 | | PDB BLAST (NCBI) | STRING search |
| Saccharophagus degradans 2-40 | Bacteria | Ni | user | urease subunit alpha | YP_525697.1 | | PDB BLAST (NCBI) | STRING search |
| Saccharopolyspora erythraea NRRL 2338 | Bacteria | Ni | user | Ni SodN | YP_001108514.1 | | PDB BLAST (NCBI) | STRING search |
| Saccharopolyspora erythraea NRRL 2338 | Bacteria | Ni | user | Ni-Fe hydrogenase | YP_001105265.1 | | PDB BLAST (NCBI) | STRING search |
| Saccharopolyspora erythraea NRRL 2338 | Bacteria | Ni | user | urease subunit alpha | YP_001102907.1 | | PDB BLAST (NCBI) | STRING search |
| Saccharopolyspora erythraea NRRL 2338 | Bacteria | Ni | user | urease subunit alpha | YP_001104743.1 | | PDB BLAST (NCBI) | STRING search |
| Saccharopolyspora erythraea NRRL 2338 | Bacteria | Ni | user | urease subunit alpha | YP_001105684.1 | | PDB BLAST (NCBI) | STRING search |
| Sagittula stellata E-37 | Bacteria | Ni | user | Ni-Fe hydrogenase large subunit | ZP_01748530.1 | | PDB BLAST (NCBI) | STRING search |
| Sagittula stellata E-37 | Bacteria | Ni | user | Ni-Fe hydrogenase protein large subunit | ZP_01748533.1 | | PDB BLAST (NCBI) | STRING search |
| Sagittula stellata E-37 | Bacteria | Ni | user | urease, alpha subunit | ZP_01746984.1 | | PDB BLAST (NCBI) | STRING search |
| Salinispora arenicola CNS-205 | Bacteria | Ni | user | Ni SodN | YP_001538858.1 | | PDB BLAST (NCBI) | STRING search |
| Salinispora tropica CNB-440 | Bacteria | Ni | user | Ni SodN | YP_001160506.1 | | PDB BLAST (NCBI) | STRING search |
| Salmonella enterica subsp. enterica serovar Paratyphi A str. ATCC 9150 | Bacteria | Ni | user | Ni-Fe hydrogenase 1 large subunit | YP_150368.1 | | PDB BLAST (NCBI) | STRING search |
| Salmonella enterica subsp. enterica serovar Paratyphi A str. ATCC 9150 | Bacteria | Ni | user | Ni-Fe hydrogenase 2 large subunit | YP_152163.1 | | PDB BLAST (NCBI) | STRING search |
| Salmonella enterica subsp. enterica serovar Paratyphi A str. ATCC 9150 | Bacteria | Ni | user | Ni-Fe hydrogenase large subunit | YP_150576.1 | | PDB BLAST (NCBI) | STRING search |
| Salmonella enterica subsp. enterica serovar Paratyphi A str. ATCC 9150 | Bacteria | Ni | user | Ni-Fe hydrogenase | YP_151876.1 | | PDB BLAST (NCBI) | STRING search |
| Salmonella typhimurium LT2 | Bacteria | Ni | user | Ni-Fe hydrogenase 1 large subunit | NP_460743.1 | | PDB BLAST (NCBI) | STRING search |
| Salmonella typhimurium LT2 | Bacteria | Ni | user | Ni-Fe hydrogenase 2 large subunit | NP_462062.1 | | PDB BLAST (NCBI) | STRING search |
| Salmonella typhimurium LT2 | Bacteria | Ni | user | Ni-Fe hydrogenase 3 large subunit | NP_461770.1 | | PDB BLAST (NCBI) | STRING search |
| Salmonella typhimurium LT2 | Bacteria | Ni | user | Ni-Fe hydrogenase large subunit | NP_460498.1 | | PDB BLAST (NCBI) | STRING search |
