| A5GCW2 | HEM3_GEOUR | Geobacter uraniireducens (strain Rf4) (Geobacter uraniumreducens) | hemC Gura_0359 | Detail |
| P56140 | HEM3_HELPY | Helicobacter pylori (strain ATCC 700392 / 26695) (Campylobacter pylori) | hemC HP_0237 | Detail |
| Q0BX92 | HEM3_HYPNA | Hyphomonas neptunium (strain ATCC 15444) | hemC HNE_3227 | Detail |
| Q71ZB2 | HEM3_LISMF | Listeria monocytogenes serotype 4b (strain F2365) | hemC LMOf2365_1577 | Detail |
| Q6CW36 | MCD4_KLULA | Kluyveromyces lactis (strain ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37) (Yeast) (Candida sphaerica) | MCD4 KLLA0B07249g | Detail |
| Q7SAP1 | MCD4_NEUCR | Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) | mcd-4 B2N18.290 NCU07999 | Detail |
| Q9X1B8 | ISPT_THEMA | Thermotoga maritima (strain ATCC 43589 / MSB8 / DSM 3109 / JCM 10099) | uppS TM_1398 | Detail |
| A2C7L8 | HEM3_PROM3 | Prochlorococcus marinus (strain MIT 9303) | hemC P9303_07271 | Detail |
| B7N295 | HEM3_ECO81 | Escherichia coli O81 (strain ED1a) | hemC ECED1_4490 | Detail |
| Q9ZD77 | HEM3_RICPR | Rickettsia prowazekii (strain Madrid E) | hemC RP466 | Detail |