| B6IB63 | RSXB_ECOSE | Escherichia coli (strain SE11) | rsxB ECSE_1750 | Detail |
| B1LEQ8 | RSXB_ECOSM | Escherichia coli (strain SMS-3-5 / SECEC) | rsxB rnfB EcSMS35_1571 | Detail |
| C4LEP4 | RNFD_TOLAT | Tolumonas auensis (strain DSM 9187 / TA4) | rnfD Tola_1446 | Detail |
| Q15RL0 | RNFE_PSEA6 | Pseudoalteromonas atlantica (strain T6c / ATCC BAA-1087) | rnfE Patl_2970 | Detail |
| Q8KA20 | RNFB_BUCAP | Buchnera aphidicola subsp. Schizaphis graminum (strain Sg) | rnfB BUsg_106 | Detail |
| B7UVW8 | RNFE_PSEA8 | Pseudomonas aeruginosa (strain LESB58) | rnfE PLES_15211 | Detail |
| Q3K4F5 | PSTB_PSEPF | Pseudomonas fluorescens (strain Pf0-1) | pstB Pfl01_5612 | Detail |
| Q7VCZ3 | PSTB_PROMA | Prochlorococcus marinus (strain SARG / CCMP1375 / SS120) | pstB Pro_0596 | Detail |
| Q6WB51 | PSTB_ALCFA | Alcaligenes faecalis | pstB | Detail |
| Q8G7F4 | PSTB_BIFLO | Bifidobacterium longum (strain NCC 2705) | pstB BL0312 | Detail |