| A5GZW8 | DB18267 | 1zoy | HEM | C | 1305 | e1zoyD1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| A5GZW8 | DB18267 | 1zp0 | HEM | C | 305 | e1zp0D1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| A5GZW8 | DB18267 | 3abv | HEM | C | 1305 | e3abvD1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | Sdh_cyt |
| A5GZW8 | DB18267 | 3ae1 | HEM | C | 1305 | e3ae1D1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| A5GZW8 | DB18267 | 3ae2 | HEM | C | 1305 | e3ae2D1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| A5GZW8 | DB18267 | 3ae3 | HEM | C | 1305 | e3ae3D1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| A5GZW8 | DB18267 | 3ae4 | HEM | C | 1305 | e3ae4D1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| A5GZW8 | DB18267 | 3ae5 | HEM | C | 1305 | e3ae5D1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| A5GZW8 | DB18267 | 3ae6 | HEM | C | 1305 | e3ae6D1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| A5GZW8 | DB18267 | 3ae7 | HEM | C | 1305 | e3ae7D1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| A5GZW8 | DB18267 | 3ae8 | HEM | C | 1305 | e3ae8D1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| A5GZW8 | DB18267 | 3ae9 | HEM | C | 1305 | e3ae9D1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| A5GZW8 | DB18267 | 3aea | HEM | C | 1305 | e3aeaD1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| A5GZW8 | DB18267 | 3aeb | HEM | C | 1305 | e3aebD1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| A5GZW8 | DB18267 | 3aec | HEM | C | 1305 | e3aecD1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| A5GZW8 | DB18267 | 3aed | HEM | C | 1305 | e3aedD1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| A5GZW8 | DB18267 | 3aee | HEM | C | 1305 | e3aeeD1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| A5GZW8 | DB18267 | 3aef | HEM | C | 1305 | e3aefD1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| A5GZW8 | DB18267 | 3aeg | HEM | C | 1305 | e3aegD1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| A5GZW8 | DB18267 | 3sfd | HEM | C | 1305 | e3sfdD1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| A5GZW8 | DB18267 | 3sfe | HEM | C | 1305 | e3sfeD1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| A5GZW8 | DB18267 | 4ytp | HEM | C | 301 | e4ytpD1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |
| A5GZW8 | DB18267 | 4yxd | HEM | C | 301 | e4yxdD1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Fumarate reductase respiratory complex transmembrane subunits | CybS |