Fig. 2.
TEM images of VLPs in the absence (A) and presence (B) of PB2 (Conditions for VLPs: [PB2] = 0.1 mM; VLPs, 0.2 μg/μL in 10 mM PBS, pH 7.4, 25 °C; samples were negatively stained by 2% uranyl acetate).
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