| Q5WEN5 | LEUC_BACSK | Bacillus clausii (strain KSM-K16) | leuC ABC2640 | Detail |
| A8L568 | LEUD_FRASN | Frankia sp. (strain EAN1pec) | leuD Franean1_1114 | Detail |
| P80858 | LEUC_BACSU | Bacillus subtilis (strain 168) | leuC BSU28260 | Detail |
| A9KT79 | LEUC_LACP7 | Lachnoclostridium phytofermentans (strain ATCC 700394 / DSM 18823 / ISDg) (Clostridium phytofermentans) | leuC Cphy_3356 | Detail |
| Q72RC4 | LEUC_LEPIC | Leptospira interrogans serogroup Icterohaemorrhagiae serovar copenhageni (strain Fiocruz L1-130) | leuC LIC_11822 | Detail |
| B4UAN1 | LEUD_ANASK | Anaeromyxobacter sp. (strain K) | leuD AnaeK_1899 | Detail |
| P56265 | NIFB_KLEOX | Klebsiella oxytoca | nifB | Detail |
| P46044 | NIFB_FRAAL | Frankia alni | nifB | Detail |
| Q4QLS2 | LEUC_HAEI8 | Haemophilus influenzae (strain 86-028NP) | leuC NTHI1162 | Detail |
| A1U0X9 | LEUD_MARHV | Marinobacter hydrocarbonoclasticus (strain ATCC 700491 / DSM 11845 / VT8) | leuD Maqu_1564 | Detail |