| A1V9F1 | QUEA_DESVV | Desulfovibrio vulgaris subsp. vulgaris (strain DP4) | queA Dvul_0043 | Detail |
| Q3B5E2 | QUEA_PELLD | Pelodictyon luteolum (strain DSM 273 / 2530) (Chlorobium luteolum) | queA Plut_0555 | Detail |
| Q30PZ7 | QUEA_SULDN | Sulfurimonas denitrificans (strain ATCC 33889 / DSM 1251) (Thiomicrospira denitrificans (strain ATCC 33889 / DSM 1251)) | queA Suden_1657 | Detail |
| Q5SMH0 | QUEA_THET8 | Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579) | queA TTHA1058 | Detail |
| B1LJF3 | QUEA_ECOSM | Escherichia coli (strain SMS-3-5 / SECEC) | queA EcSMS35_0437 | Detail |
| Q1QAG2 | QUEA_PSYCK | Psychrobacter cryohalolentis (strain K5) | queA Pcryo_1564 | Detail |
| Q8DEX9 | QUEA_VIBVU | Vibrio vulnificus (strain CMCP6) | queA VV1_0446 | Detail |
| Q8PJL6 | QUEA_XANAC | Xanthomonas axonopodis pv. citri (strain 306) | queA XAC2514 | Detail |
| B4T8P4 | QUEA_SALHS | Salmonella heidelberg (strain SL476) | queA SeHA_C0504 | Detail |
| A5UG48 | QUEA_HAEIG | Haemophilus influenzae (strain PittGG) | queA CGSHiGG_03855 | Detail |