| Q757X5 | MCD4_ASHGO | Ashbya gossypii (strain ATCC 10895 / CBS 109.51 / FGSC 9923 / NRRL Y-1056) (Yeast) (Eremothecium gossypii) | MCD4 AEL113C | Detail |
| A5CWM6 | ISCS_VESOH | Vesicomyosocius okutanii subsp. Calyptogena okutanii (strain HA) | iscS COSY_0532 | Detail |
| P71398 | LSG4_HAEIN | Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd) | HI_1697 | Detail |
| B5XNJ7 | ISCS_KLEP3 | Klebsiella pneumoniae (strain 342) | iscS KPK_1257 | Detail |
| Q01179 | NIFS_RHOSH | Rhodobacter sphaeroides (Rhodopseudomonas sphaeroides) | nifS | Detail |
| P70727 | NIFS_AZOBR | Azospirillum brasilense | nifS | Detail |
| Q52069 | NIFS_ENTAG | Enterobacter agglomerans (Erwinia herbicola) (Pantoea agglomerans) | nifS | Detail |
| Q9Z5X5 | NIFS_FRASE | Frankia sp. (strain EuIK1) | nifS | Detail |
| Q5RDE7 | NFS1_PONAB | Pongo abelii (Sumatran orangutan) (Pongo pygmaeus abelii) | NFS1 | Detail |
| Q03974 | LIC2A_HAEIN | Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd) | lex1 lic2A HI_0550 | Detail |