Fig. 9. TGIV. Proposed sequential steps of virus assembly. (A) Capsid assembled from either ring-shaped or disc-shaped assemblysite. (B) Newly assembled capsid containing granular material; note that the granular material has an electron density similarto that of the assembly site. (C) ‘Dot-in-circle’ conformation with increased electron density in center. (D) Complete virion,with electron-dense core. Scale bar in nm
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