| C0R2M3 | HEM3_WOLWR | Wolbachia sp. subsp. Drosophila simulans (strain wRi) | hemC WRi_003560 | Detail |
| Q75F43 | COX10_ASHGO | Ashbya gossypii (strain ATCC 10895 / CBS 109.51 / FGSC 9923 / NRRL Y-1056) (Yeast) (Eremothecium gossypii) | COX10 AAL115W | Detail |
| O31817 | FOSB_BACSU | Bacillus subtilis (strain 168) | fosB yndN BSU17840 | Detail |
| P9WMX0 | MFTF_MYCTO | Mycobacterium tuberculosis (strain CDC 1551 / Oshkosh) | mftF MT0723 | Detail |
| Q9K8G0 | HEM3_BACHD | Bacillus halodurans (strain ATCC BAA-125 / DSM 18197 / FERM 7344 / JCM 9153 / C-125) | hemC BH3046 | Detail |
| Q8UFL9 | ISPT_AGRFC | Agrobacterium fabrum (strain C58 / ATCC 33970) (Agrobacterium tumefaciens (strain C58)) | uppS Atu1378 AGR_C_2550 | Detail |
| Q8Q0D6 | HPR_METMA | Methanosarcina mazei (strain ATCC BAA-159 / DSM 3647 / Goe1 / Go1 / JCM 11833 / OCM 88) (Methanosarcina frisia) | MM_0201 | Detail |
| B2HRJ2 | HEM3_MYCMM | Mycobacterium marinum (strain ATCC BAA-535 / M) | hemC MMAR_0843 | Detail |
| A7FD67 | HEM3_YERP3 | Yersinia pseudotuberculosis serotype O:1b (strain IP 31758) | hemC YpsIP31758_0198 | Detail |
| P28789 | HEM3_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | HEM3 YDL205C D1057 | Detail |