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T36 capsids were analyzed by content of UL36. (A and C) T36 capsid subset with the highest level of occupancy; (B and D) T36 capsid subset with the lowest level of occupancy. The UL36-related density is indicated by black arrows in panel A and gray arrows in panel B. The surface features in panels C and D are color coded as in Fig. 3. Bar = 20 nm.
