Fig. 7: Crystal structure of housefly cytochrome b5 compared with homology models of virus cytochrome b5s.
From: Cytochrome b5 occurrence in giant and other viruses belonging to the phylum Nucleocytoviricota

The homology model helices are colored by b-factor (blue = highest confidence, red = least confidence). Viruses are: Ostreococcus virus, Ostreococcus lucimarinus; Mimivirus, Mimivirus bradfordmassiliense; Faunusvirus, from soil metagenome Genbank Accession number AYV79526.1; Tupanvirus, Tupanvirus altamarinense; Megavirus, Megavirus chiliensis