| P92507 | DB18267 | 3vr8 | HEM | C | 201 | e3vr8D1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | Sdh_cyt |
| P92507 | DB18267 | 3vr8 | HEM | G | 201 | e3vr8H2 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| P92507 | DB18267 | 3vr9 | HEM | C | 201 | e3vr9D1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| P92507 | DB18267 | 3vr9 | HEM | G | 201 | e3vr9H1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| P92507 | DB18267 | 3vra | HEM | C | 201 | e3vraD1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| P92507 | DB18267 | 3vra | HEM | G | 201 | e3vraH1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| P92507 | DB18267 | 3vrb | HEM | C | 201 | e3vrbD2 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| P92507 | DB18267 | 3vrb | HEM | G | 201 | e3vrbH2 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| P92507 | DB18267 | 4ysx | HEM | C | 201 | e4ysxD1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| P92507 | DB18267 | 4ysx | HEM | G | 201 | e4ysxH1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| P92507 | DB18267 | 4ysy | HEM | C | 201 | e4ysyD1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| P92507 | DB18267 | 4ysy | HEM | G | 201 | e4ysyH1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| P92507 | DB18267 | 4ysz | HEM | C | 201 | e4yszD1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| P92507 | DB18267 | 4ysz | HEM | G | 201 | e4yszH1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| P92507 | DB18267 | 4yt0 | HEM | C | 201 | e4yt0D1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| P92507 | DB18267 | 4yt0 | HEM | G | 201 | e4yt0H1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| P92507 | DB18267 | 4ytm | HEM | C | 201 | e4ytmD1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| P92507 | DB18267 | 4ytm | HEM | G | 201 | e4ytmH1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| P92507 | DB18267 | 4ytn | HEM | C | 201 | e4ytnD1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| P92507 | DB18267 | 4ytn | HEM | G | 201 | e4ytnH1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| P92507 | DB18267 | 5c2t | HEM | C | 201 | e5c2tD1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| P92507 | DB18267 | 5c2t | HEM | G | 201 | e5c2tH1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| P92507 | DB18267 | 5c3j | HEM | C | 201 | e5c3jD1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| P92507 | DB18267 | 5c3j | HEM | G | 201 | e5c3jH1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |