| Q7V6T7 | ISPT_PROMM | Prochlorococcus marinus (strain MIT 9313) | uppS PMT_1057 | Detail |
| A6LSY5 | HEM3_CLOB8 | Clostridium beijerinckii (strain ATCC 51743 / NCIMB 8052) (Clostridium acetobutylicum) | hemC Cbei_1285 | Detail |
| B1KY15 | HEM3_CLOBM | Clostridium botulinum (strain Loch Maree / Type A3) | hemC CLK_0358 | Detail |
| Q3B2Z5 | HEM3_PELLD | Pelodictyon luteolum (strain DSM 273 / 2530) (Chlorobium luteolum) | hemC Plut_1427 | Detail |
| A1AUE7 | HEM3_PELPD | Pelobacter propionicus (strain DSM 2379 / NBRC 103807 / OttBd1) | hemC Ppro_3375 | Detail |
| A7MQJ1 | HEM3_CROS8 | Cronobacter sakazakii (strain ATCC BAA-894) (Enterobacter sakazakii) | hemC ESA_03753 | Detail |
| A8G3L1 | HEM3_PROM2 | Prochlorococcus marinus (strain MIT 9215) | hemC P9215_05771 | Detail |
| Q7V697 | HEM3_PROMM | Prochlorococcus marinus (strain MIT 9313) | hemC PMT_1273 | Detail |
| Q6BM23 | HEM3_DEBHA | Debaryomyces hansenii (strain ATCC 36239 / CBS 767 / JCM 1990 / NBRC 0083 / IGC 2968) (Yeast) (Torulaspora hansenii) | HEM3 DEHA2F08888g | Detail |
| A6VE37 | HEM3_PSEA7 | Pseudomonas aeruginosa (strain PA7) | hemC PSPA7_6006 | Detail |