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| Yersinia enterocolitica subsp. enterocolitica 8081 | Bacteria | Ni | user | urease subunit alpha | YP_001005287.1 | | PDB BLAST (NCBI) | STRING search |
| Yersinia frederiksenii ATCC 33641 | Bacteria | Ni | user | Ni-Fe hydrogenase I large subunit | ZP_00829747.1 | | PDB BLAST (NCBI) | STRING search |
| Yersinia frederiksenii ATCC 33641 | Bacteria | Ni | user | Ni-Fe hydrogenase III large subunit | ZP_00829379.1 | | PDB BLAST (NCBI) | STRING search |
| Yersinia frederiksenii ATCC 33641 | Bacteria | Ni | user | urease alpha subunit | ZP_00828648.1 | | PDB BLAST (NCBI) | STRING search |
| Yersinia intermedia ATCC 29909 | Bacteria | Ni | user | Ni-Fe hydrogenase I large subunit | ZP_00833706.1 | | PDB BLAST (NCBI) | STRING search |
| Yersinia intermedia ATCC 29909 | Bacteria | Ni | user | Ni-Fe hydrogenase III large subunit | ZP_00834257.1 | | PDB BLAST (NCBI) | STRING search |
| Yersinia intermedia ATCC 29909 | Bacteria | Ni | user | urease alpha subunit | ZP_00833889.1 | | PDB BLAST (NCBI) | STRING search |
| Yersinia mollaretii ATCC 43969 | Bacteria | Ni | user | Ni-Fe hydrogenase I large subunit | ZP_00824625.1 | | PDB BLAST (NCBI) | STRING search |
| Yersinia mollaretii ATCC 43969 | Bacteria | Ni | user | Ni-Fe hydrogenase III large subunit | ZP_00824028.1 | | PDB BLAST (NCBI) | STRING search |
| Yersinia mollaretii ATCC 43969 | Bacteria | Ni | user | urease alpha subunit | ZP_00825465.1 | | PDB BLAST (NCBI) | STRING search |
| Yersinia pestis KIM | Bacteria | Ni | user | urease subunit alpha | NP_668563.2 | | PDB BLAST (NCBI) | STRING search |
| Yersinia pseudotuberculosis IP 32953 | Bacteria | Ni | user | urease subunit alpha | YP_071448.1 | | PDB BLAST (NCBI) | STRING search |