601-630 of 852
| Pelotomaculum thermopropionicum SI | Bacteria | Ni | user | Ni-Fe hydrogenase large subunit | YP_001212252.1 | | PDB BLAST (NCBI) | STRING search |
| Phaeosphaeria nodorum SN15 | Eukaryota | Ni | user | Urease | XP_001801529.1 | | PDB BLAST (NCBI) | STRING search |
| Phanerochaete chrysosporium RP-78 | Eukaryota | Ni | user | Urease | | | PDB BLAST (NCBI) | STRING search |
| Photobacterium profundum 3TCK | Bacteria | Ni | user | Ni-Fe hydrogenase 4 subunit | ZP_01218749.1 | | PDB BLAST (NCBI) | STRING search |
| Photobacterium profundum 3TCK | Bacteria | Ni | user | Urease, alpha subunit | ZP_01222511.1 | | PDB BLAST (NCBI) | STRING search |
| Photobacterium sp. SKA34 | Bacteria | Ni | user | Ni-Fe hydrogenase 4 component G | ZP_01161272.1 | | PDB BLAST (NCBI) | STRING search |
| Photobacterium sp. SKA34 | Bacteria | Ni | user | Ni-Fe hydrogenase, large subunit | ZP_01160131.1 | | PDB BLAST (NCBI) | STRING search |
| Photorhabdus luminescens subsp. laumondii TTO1 | Bacteria | Ni | user | urease subunit alpha | NP_929433.1 | | PDB BLAST (NCBI) | STRING search |
| Phytophthora infestans T30-4 | Eukaryota | Ni | user | Urease | | | PDB BLAST (NCBI) | STRING search |
| Phytophthora ramorum | Eukaryota | Ni | user | Urease | | | PDB BLAST (NCBI) | STRING search |
| Picrophilus torridus DSM 9790 | Archaea | Ni | user | Ni-Fe hydrogenase, formate hydrogenlyase subunit 5 | YP_023604.1 | | PDB BLAST (NCBI) | STRING search |
| Planctomyces maris DSM 8797 | Bacteria | Ni | user | Ni-Fe hydrogenase large subunit | ZP_01852867.1 | | PDB BLAST (NCBI) | STRING search |
| Plesiocystis pacifica SIR-1 | Bacteria | Ni | user | Ni SodN | ZP_01909245.1 | | PDB BLAST (NCBI) | STRING search |
| Plesiocystis pacifica SIR-1 | Bacteria | Ni | user | Ni-Fe hydrogenase, large subunit | ZP_01905676.1 | | PDB BLAST (NCBI) | STRING search |
| Polaribacter irgensii 23-P | Bacteria | Ni | user | Ni SodN | ZP_01118615.1 | | PDB BLAST (NCBI) | STRING search |
| Polaromonas naphthalenivorans CJ2 | Bacteria | Ni | user | Ni-Fe hydrogenase, large subunit | YP_982184.1 | | PDB BLAST (NCBI) | STRING search |
| Polaromonas naphthalenivorans CJ2 | Bacteria | Ni | user | Ni-Fe hydrogenase, large subunit | YP_982204.1 | | PDB BLAST (NCBI) | STRING search |
| Polaromonas naphthalenivorans CJ2 | Bacteria | Ni | user | urease subunit alpha | YP_981212.1 | | PDB BLAST (NCBI) | STRING search |
| Polaromonas sp. JS666 | Bacteria | Ni | user | urease subunit alpha | YP_548197.1 | | PDB BLAST (NCBI) | STRING search |
| Polynucleobacter sp. QLW-P1DMWA-1 | Bacteria | Ni | user | urease subunit alpha | YP_001155972.1 | | PDB BLAST (NCBI) | STRING search |
| Prochlorococcus marinus str. MIT 9313 | Bacteria | Ni | user | Ni SodN | NP_894173.1 | | PDB BLAST (NCBI) | STRING search |
| Prochlorococcus marinus str. MIT 9313 | Bacteria | Ni | user | urease subunit alpha | NP_896060.1 | | PDB BLAST (NCBI) | STRING search |
| Prosthecochloris aestuarii DSM 271 | Bacteria | Ni | user | Ni-Fe hydrogenase large subunit | YP_002015547.1 | | PDB BLAST (NCBI) | STRING search |
| Prosthecochloris aestuarii DSM 271 | Bacteria | Ni | user | Ni-Fe hydrogenase large subunit | YP_002016588.1 | | PDB BLAST (NCBI) | STRING search |
| Pseudoalteromonas haloplanktis TAC125 | Bacteria | Ni | user | urease subunit alpha | YP_340274.1 | | PDB BLAST (NCBI) | STRING search |
| Pseudomonas aeruginosa PAO1 | Bacteria | Ni | user | urease subunit alpha | NP_253555.1 | | PDB BLAST (NCBI) | STRING search |
| Pseudomonas entomophila L48 | Bacteria | Ni | user | urease subunit alpha | YP_607729.1 | | PDB BLAST (NCBI) | STRING search |
| Pseudomonas fluorescens Pf0-1 | Bacteria | Ni | user | urease subunit alpha | YP_346313.1 | | PDB BLAST (NCBI) | STRING search |
| Pseudomonas mendocina ymp | Bacteria | Ni | user | urease subunit alpha | YP_001186192.1 | | PDB BLAST (NCBI) | STRING search |
| Pseudomonas putida KT2440 | Bacteria | Ni | user | urease subunit alpha | NP_744989.1 | | PDB BLAST (NCBI) | STRING search |
