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. Author manuscript; available in PMC: 2011 Sep 1.
Published in final edited form as: J Struct Biol. 2010 Jun 9;171(3):389–396. doi: 10.1016/j.jsb.2010.06.005

Figure 1.

Figure 1

(A) Section through a cryo-tomogram of ϕ6 procapsids. About 20% of procapsids are incomplete, with their shells interrupted at icosahedral 2-fold axes (black arrows). Scale bar = 400 Å. (B) The tomograms reveal strong densities at internal sites associated with P2 (white arrows) and external sites associated with P4 (black arrows). (C) A section shifted by 80 Å through the same particles as in (B), showing internal densities taken to be P2 molecules (white arrows). Bars: 500 Å.