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Comparison of the structure of viral protein cages. Space filling models showing the structure of bacteriophage P22, norovirus capsid, cowpea mosaic virus, and bacteriophage Qβ (Protein Data Bank IDs: 2XYZ, 1IHM, 1NY7, and 1QBE, respectively). Subunit chains are distinguished by different colors. All the structures were generated using UCSF ChimeraX.
