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Figure 2
The P3 subunit showing its secondary structure. The β-strands (B–I) forming the two jelly rolls, V1 (red) and V2 (green), are labeled, as are the FG-α helices following each F strand. Also labeled are the N-terminal helix NT-α, the loops between strands of the jelly rolls, the tower region, and the N- and C-termini. In the virion, the tower lies to the outside and the base of the molecule is adjacent to the inner membrane. The line with the triangle is along the molecular threefold. The figure was produced with MOLSCRIPT (Kraulis, 1991 ![]() |