| D5VRM1 | NIFB_METIM | Methanocaldococcus infernus (strain DSM 11812 / JCM 15783 / ME) | nifB Metin_0554 | Detail |
| Q8KC85 | NIFB_CHLTE | Chlorobaculum tepidum (strain ATCC 49652 / DSM 12025 / NBRC 103806 / TLS) (Chlorobium tepidum) | nifB CT1540 | Detail |
| P09824 | NIFB_RHIME | Rhizobium meliloti (strain 1021) (Ensifer meliloti) (Sinorhizobium meliloti) | nifB RA0442 SMa0814 | Detail |
| K0E2G4 | HTYD_ASPRU | Aspergillus rugulosus (Emericella rugulosa) | htyD | Detail |
| Q92RP0 | ILVD1_RHIME | Rhizobium meliloti (strain 1021) (Ensifer meliloti) (Sinorhizobium meliloti) | ilvD1 R00822 SMc00884 | Detail |
| B6YU51 | DAPAL_THEON | Thermococcus onnurineus (strain NA1) | dapAL TON_0506 | Detail |
| Q391E0 | CYNS_BURL3 | Burkholderia lata (strain ATCC 17760 / DSM 23089 / LMG 22485 / NCIMB 9086 / R18194 / 383) | cynS Bcep18194_B2815 | Detail |
| O58577 | DAPAL_PYRHO | Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3) | dapAL PH0847 | Detail |
| B7N8P7 | CYNS_ECOLU | Escherichia coli O17:K52:H18 (strain UMN026 / ExPEC) | cynS ECUMN_0383 | Detail |
| B2UK94 | CYNS_RALPJ | Ralstonia pickettii (strain 12J) | cynS Rpic_4911 | Detail |