| Q92UN9 | QUEC_RHIME | Rhizobium meliloti (strain 1021) (Ensifer meliloti) (Sinorhizobium meliloti) | queC RB1063 SMb20940 | Detail |
| B7MQG0 | QUEC_ECO81 | Escherichia coli O81 (strain ED1a) | queC ECED1_0468 | Detail |
| C5BCK3 | QUEC_EDWI9 | Edwardsiella ictaluri (strain 93-146) | queC NT01EI_1085 | Detail |
| Q39R35 | QUEC_GEOMG | Geobacter metallireducens (strain GS-15 / ATCC 53774 / DSM 7210) | queC Gmet_3075 | Detail |
| B1Y8J4 | QUEC_LEPCP | Leptothrix cholodnii (strain ATCC 51168 / LMG 8142 / SP-6) (Leptothrix discophora (strain SP-6)) | queC Lcho_4006 | Detail |
| Q8DI59 | QUEC_THEEB | Thermosynechococcus elongatus (strain BP-1) | queC tlr1732 | Detail |
| Q55468 | QUEC_SYNY3 | Synechocystis sp. (strain PCC 6803 / Kazusa) | queC slr0527 | Detail |
| Q2NF51 | QUEC_METST | Methanosphaera stadtmanae (strain ATCC 43021 / DSM 3091 / JCM 11832 / MCB-3) | queC Msp_1171 | Detail |
| Q9JVT8 | QUEC_NEIMA | Neisseria meningitidis serogroup A / serotype 4A (strain Z2491) | queC NMA0702 | Detail |
| Q6D820 | QUEC_PECAS | Pectobacterium atrosepticum (strain SCRI 1043 / ATCC BAA-672) (Erwinia carotovora subsp. atroseptica) | queC ECA1155 | Detail |