| Q8K9D9 | QUEE_BUCAP | Buchnera aphidicola subsp. Schizaphis graminum (strain Sg) | queE BUsg_401 | Detail |
| A0A0H3KB22 | QUEE_BURM1 | Burkholderia multivorans (strain ATCC 17616 / 249) | queE Bmul_3115 BMULJ_00116 | Detail |
| Q9A3P3 | QUEE_CAUVC | Caulobacter vibrioides (strain ATCC 19089 / CB15) (Caulobacter crescentus) | queE CC_3159 | Detail |
| O67826 | QUEE_AQUAE | Aquifex aeolicus (strain VF5) | queE aq_2035 | Detail |
| O34886 | YTCB_BACSU | Bacillus subtilis (strain 168) | ytcB BSU30870 | Detail |
| Q728E5 | QUEE_DESVH | Desulfovibrio vulgaris (strain Hildenborough / ATCC 29579 / DSM 644 / NCIMB 8303) | queE DVU_2658 | Detail |
| O29808 | QUEE_ARCFU | Archaeoglobus fulgidus (strain ATCC 49558 / VC-16 / DSM 4304 / JCM 9628 / NBRC 100126) | queE AF_0441 | Detail |
| A6H1N2 | QUEE_FLAPJ | Flavobacterium psychrophilum (strain JIP02/86 / ATCC 49511) | queE FP2200 | Detail |
| Q8ZZZ0 | QUEE_PYRAE | Pyrobaculum aerophilum (strain ATCC 51768 / IM2 / DSM 7523 / JCM 9630 / NBRC 100827) | queE PAE0010 | Detail |
| P27714 | NIFB_HERSE | Herbaspirillum seropedicae | nifB | Detail |