| P0A384 | DB06755 | 2zt9 | BCR | G | 101 | e2zt9A1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Transmembrane di-heme cytochromes | Cytochrome_B |
| P0A384 | DB06755 | 4h44 | BCR | G | 101 | e4h44A1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Transmembrane di-heme cytochromes | Cytochrome_B |
| P0A384 | DB06755 | 4ogq | BCR | G | 102 | e4ogqA1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Transmembrane di-heme cytochromes | Cytochrome_B |