| P00147 | DB18267 | 1cpq | HEM | A | 130 | e1cpqA1 | Four-helical up-and-down bundle | Cytochromes | Cytochromes | Cytochrom_C_2 |
| P00147 | DB18267 | 1cpr | HEM | A | 136 | e1cprA1 | Four-helical up-and-down bundle | Cytochromes | Cytochromes | Cytochrom_C_2 |
| P00147 | DB18267 | 1eky | HEM | A | 130 | e1ekyA1 | Four-helical up-and-down bundle | Cytochromes | Cytochromes | Cytochrom_C_2 |
| P00147 | DB18267 | 1nbb | HEM | A | 130 | e1nbbA1 | Four-helical up-and-down bundle | Cytochromes | Cytochromes | Cytochrom_C_2 |
| P00147 | DB18267 | 1nbb | HEM | B | 130 | e1nbbB1 | Four-helical up-and-down bundle | Cytochromes | Cytochromes | Cytochrom_C_2 |
| P00147 | DB18267 | 1rcp | HEM | A | 130 | e1rcpA1 | Four-helical up-and-down bundle | Cytochromes | Cytochromes | Cytochrom_C_2 |
| P00147 | DB18267 | 1rcp | HEM | B | 130 | e1rcpB1 | Four-helical up-and-down bundle | Cytochromes | Cytochromes | Cytochrom_C_2 |