| P0A384 | DB02686 | 2zt9 | UMQ | A | 306 | e2zt9A1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Transmembrane di-heme cytochromes | Cytochrome_B |
| P0A384 | DB02686 | 4h44 | UMQ | A | 309 | e4h44A1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Transmembrane di-heme cytochromes | Cytochrome_B |
| P0A384 | DB02686 | 4h44 | UMQ | F | 101 | e4h44A1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Transmembrane di-heme cytochromes | Cytochrome_B |
| P0A384 | DB02686 | 4ogq | UMQ | A | 304 | e4ogqA1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Transmembrane di-heme cytochromes | Cytochrome_B |
| P0A384 | DB02686 | 4ogq | UMQ | B | 203 | e4ogqA1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Transmembrane di-heme cytochromes | Cytochrome_B |