- A: alpha bundles
- X: Transmembrane heme-binding four-helical bundle
- H: Transmembrane heme-binding four-helical bundle
- T: Transmembrane di-heme cytochromes
- F: Cytochrome_B
Structure of domain e1q90B1
Domains in the same protein:
| e1q90B1 | B:4-215 | Transmembrane heme-binding four-helical bundle | Transmembrane heme-binding four-helical bundle | Transmembrane di-heme cytochromes |
Domains in the same PDB: