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. 2001 Feb 13;98(4):1381–1386. doi: 10.1073/pnas.98.4.1381

Figure 5.

Figure 5

Model of RNA packaging and condensation. (a) RNA organization under normal physiological conditions. Each yellow spiral represents a single dsRNA genome segment; the entire genome model is shown surrounded by an icosahedral lattice in blue. (b) Proposed RNA organization at ammonium high pH conditions. The red arrow represents the height, ≈220 Å in a and ≈180 Å in b, of a spiral cone. The dashed black arrows indicate the spacing, ≈31 Å in a and ≈25 Å in b, between the center of each dsRNA helix.