| O67291 | ISPT_AQUAE | Aquifex aeolicus (strain VF5) | uppS aq_1248 | Detail |
| Q83GJ0 | ISPT1_TROWT | Tropheryma whipplei (strain Twist) (Whipple's bacillus) | uppS1 TWT_286 | Detail |
| A5VSL5 | HEM3_BRUO2 | Brucella ovis (strain ATCC 25840 / 63/290 / NCTC 10512) | hemC BOV_1815 | Detail |
| Q72AV0 | HEM3_DESVH | Desulfovibrio vulgaris (strain Hildenborough / ATCC 29579 / DSM 644 / NCIMB 8303) | hemC DVU_1890 | Detail |
| B6I4E0 | HEM3_ECOSE | Escherichia coli (strain SE11) | hemC ECSE_4086 | Detail |
| Q8RFP5 | HEM3_FUSNN | Fusobacterium nucleatum subsp. nucleatum (strain ATCC 25586 / CIP 101130 / JCM 8532 / LMG 13131) | hemC FN0645 | Detail |
| Q09899 | HEM3_SCHPO | Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast) | hem3 SPAC24B11.13 SPAC806.01 | Detail |
| Q39QM7 | HEM3_GEOMG | Geobacter metallireducens (strain GS-15 / ATCC 53774 / DSM 7210) | hemC Gmet_3234 | Detail |
| Q6FJ81 | MCD4_CANGA | Candida glabrata (strain ATCC 2001 / CBS 138 / JCM 3761 / NBRC 0622 / NRRL Y-65) (Yeast) (Torulopsis glabrata) | MCD4 CAGL0M08448g | Detail |
| P46355 | HEM3_YERPE | Yersinia pestis | hemC YPO3849 y0381 YP_3197 | Detail |