781-810 of 852
| Sulfurovum sp. NBC37-1 | Bacteria | Ni | user | Ni-Fe hydrogenase, large subunit | YP_001358960.1 | | PDB BLAST (NCBI) | STRING search |
| Sulfurovum sp. NBC37-1 | Bacteria | Ni | user | Ni-Fe hydrogenase, large subunit | YP_001358969.1 | | PDB BLAST (NCBI) | STRING search |
| Synechococcus sp. JA-3-3Ab | Bacteria | Ni | user | urease subunit alpha | YP_474082.1 | | PDB BLAST (NCBI) | STRING search |
| Synechocystis sp. PCC 6803 | Bacteria | Ni | user | Ni-Fe hydrogenase large subunit | NP_441411.1 | | PDB BLAST (NCBI) | STRING search |
| Synechocystis sp. PCC 6803 | Bacteria | Ni | user | urease subunit alpha | NP_440403.1 | | PDB BLAST (NCBI) | STRING search |
| Syntrophobacter fumaroxidans MPOB | Bacteria | Ni | user | Acetyl-coenzyme A decarbonylase/synthase | YP_846678.1 | | PDB BLAST (NCBI) | STRING search |
| Syntrophobacter fumaroxidans MPOB | Bacteria | Ni | user | Ni carbon monoxide dehydrogenase, catalytic subunit | YP_846679.1 | | PDB BLAST (NCBI) | STRING search |
| Syntrophobacter fumaroxidans MPOB | Bacteria | Ni | user | Ni carbon monoxide dehydrogenase, catalytic subunit | YP_846987.1 | | PDB BLAST (NCBI) | STRING search |
| Syntrophobacter fumaroxidans MPOB | Bacteria | Ni | user | Ni-Fe hydrogenase | YP_845913.1 | | PDB BLAST (NCBI) | STRING search |
| Syntrophobacter fumaroxidans MPOB | Bacteria | Ni | user | Ni-Fe hydrogenase, large subunit | YP_846338.1 | | PDB BLAST (NCBI) | STRING search |
| Syntrophobacter fumaroxidans MPOB | Bacteria | Ni | user | Ni-Fe hydrogenase, large subunit | YP_846829.1 | | PDB BLAST (NCBI) | STRING search |
| Syntrophobacter fumaroxidans MPOB | Bacteria | Ni | user | Ni-Fe hydrogenase, large subunit | YP_847061.1 | | PDB BLAST (NCBI) | STRING search |
| Syntrophobacter fumaroxidans MPOB | Bacteria | Ni | user | Ni-Fe hydrogenase, large subunit | YP_847642.1 | | PDB BLAST (NCBI) | STRING search |
| Syntrophobacter fumaroxidans MPOB | Bacteria | Ni | user | Ni-Fe hydrogenase, large subunit | YP_848058.1 | | PDB BLAST (NCBI) | STRING search |
| Syntrophus aciditrophicus SB | Bacteria | Ni | user | Ni-Fe hydrogenase | YP_460173.1 | | PDB BLAST (NCBI) | STRING search |
| Talaromyces stipitatus ATCC 10500 | Eukaryota | Ni | user | Urease | EED16798.1 | | PDB BLAST (NCBI) | STRING search |
| Thalassiosira pseudonana CCMP1335 | Eukaryota | Ni | user | Urease | | | PDB BLAST (NCBI) | STRING search |
| Thermoanaerobacter tengcongensis MB4 | Bacteria | Ni | user | Ni carbon monoxide dehydrogenase | NP_623304.1 | | PDB BLAST (NCBI) | STRING search |
| Thermoanaerobacter tengcongensis MB4 | Bacteria | Ni | user | Ni-Fe hydrogenase III large subunit | NP_621827.1 | | PDB BLAST (NCBI) | STRING search |
| Thermoanaerobacter tengcongensis MB4 | Bacteria | Ni | user | Ni-Fe hydrogenase III large subunit | NP_623297.1 | | PDB BLAST (NCBI) | STRING search |
| Thermococcus kodakarensis KOD1 | Archaea | Ni | user | Ni-Fe hydrogenase | YP_184504.1 | | PDB BLAST (NCBI) | STRING search |
| Thermococcus kodakarensis KOD1 | Archaea | Ni | user | Ni-Fe hydrogenase, alpha subunit | YP_184482.1 | | PDB BLAST (NCBI) | STRING search |
| Thermofilum pendens Hrk 5 | Archaea | Ni | user | Ni-Fe hydrogenase HycE, Ni,Fe-hydrogenase III large subunit | YP_919596.1 | | PDB BLAST (NCBI) | STRING search |
| Thermofilum pendens Hrk 5 | Archaea | Ni | user | Ni-Fe hydrogenase III HycE large subunit | YP_920473.1 | | PDB BLAST (NCBI) | STRING search |
| Thermofilum pendens Hrk 5 | Archaea | Ni | user | Ni-Fe hydrogenase, large subunit | YP_920000.1 | | PDB BLAST (NCBI) | STRING search |
| Thermoplasma volcanium GSS1 | Archaea | Ni | user | Ni-Fe hydrogenase III large subunit | NP_111975.1 | | PDB BLAST (NCBI) | STRING search |
| Thermosinus carboxydivorans Nor1 | Bacteria | Ni | user | Ni carbon monoxide dehydrogenase, catalytic subunit | ZP_01666007.1 | | PDB BLAST (NCBI) | STRING search |
| Thermosinus carboxydivorans Nor1 | Bacteria | Ni | user | Ni carbon monoxide dehydrogenase, catalytic subunit | ZP_01666431.1 | | PDB BLAST (NCBI) | STRING search |
| Thermosinus carboxydivorans Nor1 | Bacteria | Ni | user | Ni-Fe hydrogenase III large subunit | ZP_01666010.1 | | PDB BLAST (NCBI) | STRING search |
| Thermosinus carboxydivorans Nor1 | Bacteria | Ni | user | Ni-Fe hydrogenase large subunit | ZP_01665732.1 | | PDB BLAST (NCBI) | STRING search |
