Fig. 1.
Structural characterization of EBV portal. Ribbon representation of the EBV portal cryo-EM structure, indicating the dimensions of the particle, and diameter of the inner channel. a Lateral view. b Axial view. c Ribbon representation of EBV portal monomer colored by regions: crown (blue), wing (sand), stem (light green), and β-hairpin channel valve (gray). The channel valve and secondary elements relevant for protein–protein interactions are also indicated