| P00165 | DB02133 | 6rqf | CLA | A | 304 | e6rqfA1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Transmembrane di-heme cytochromes | Cytochrome_B |
| P00165 | DB02133 | 6rqf | CLA | I | 304 | e6rqfI1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Transmembrane di-heme cytochromes | Cytochrome_B |
| P00165 | DB02133 | 7qrm | CLA | A | 304 | e7qrmA1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Transmembrane di-heme cytochromes | Cytochrome_B |
| P00165 | DB02133 | 7qrm | CLA | J | 201 | e7qrmI1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Transmembrane di-heme cytochromes | Cytochrome_B |
| P00165 | DB02133 | 7zyv | CLA | A | 304 | e7zyvA1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Transmembrane di-heme cytochromes | Cytochrome_B |
| P00165 | DB02133 | 7zyv | CLA | I | 304 | e7zyvI1 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Transmembrane di-heme cytochromes | Cytochrome_B |