| Q8FYI6 | HEM3_BRUSU | Brucella suis biovar 1 (strain 1330) | hemC BR1887 BS1330_I1881 | Detail |
| C3L2Z3 | HEM3_CLOB6 | Clostridium botulinum (strain 657 / Type Ba4) | hemC CLJ_B0971 | Detail |
| B9DZL6 | HEM3_CLOK1 | Clostridium kluyveri (strain NBRC 12016) | hemC CKR_0640 | Detail |
| B5ZA04 | HEM3_HELPG | Helicobacter pylori (strain G27) | hemC HPG27_217 | Detail |
| Q1CUR5 | HEM3_HELPH | Helicobacter pylori (strain HPAG1) | hemC HPAG1_0240 | Detail |
| A5D3L5 | HEM3_PELTS | Pelotomaculum thermopropionicum (strain DSM 13744 / JCM 10971 / SI) | hemC PTH_0972 | Detail |
| A9BEB6 | HEM3_PROM4 | Prochlorococcus marinus (strain MIT 9211) | hemC P9211_04951 | Detail |
| Q7V2I1 | HEM3_PROMP | Prochlorococcus marinus subsp. pastoris (strain CCMP1986 / NIES-2087 / MED4) | hemC PMM0495 | Detail |
| Q747I1 | HEM3_GEOSL | Geobacter sulfurreducens (strain ATCC 51573 / DSM 12127 / PCA) | hemC GSU3285 | Detail |
| A0KS60 | HEM3_SHESA | Shewanella sp. (strain ANA-3) | hemC Shewana3_0386 | Detail |