| P56265 | NIFB_KLEOX | Klebsiella oxytoca | nifB | Detail |
| B3L2V1 | PSD_PLAKH | Plasmodium knowlesi (strain H) | PKH_072580 | Detail |
| Q97N08 | PSD1_CLOAB | Clostridium acetobutylicum (strain ATCC 824 / DSM 792 / JCM 1419 / LMG 5710 / VKM B-1787) | psd1 CA_C0031 | Detail |
| P46044 | NIFB_FRAAL | Frankia alni | nifB | Detail |
| Q027V0 | PSD_SOLUE | Solibacter usitatus (strain Ellin6076) | psd Acid_1717 | Detail |
| Q7VQP8 | PSD_BLOFL | Blochmannia floridanus | psd Bfl074 | Detail |
| A9AJN2 | PSD_BURM1 | Burkholderia multivorans (strain ATCC 17616 / 249) | psd Bmul_1016 BMULJ_02248 | Detail |
| P0A8K4 | PSD_SHIFL | Shigella flexneri | psd SF4318 S4582 | Detail |
| Q47NP2 | PSD_THEFY | Thermobifida fusca (strain YX) | psd Tfu_1894 | Detail |
| A3MA23 | PSD_ACIBT | Acinetobacter baumannii (strain ATCC 17978 / CIP 53.77 / LMG 1025 / NCDC KC755 / 5377) | psd A1S_3378 | Detail |