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. Author manuscript; available in PMC: 2014 Feb 26.
Published in final edited form as: Vaccine. 2006 Nov 29;25(11):2001–2010. doi: 10.1016/j.vaccine.2006.11.049

Fig. 3. Transmission electron microscopy of baculovirus expressed fusion proteins.

Fig. 3

Chimeric L1+69-81 (A) and L1+108-120 (B) fusion proteins were expressed in Sf-9 insect cells, purified on density gradients, negatively stained and analyzed by transmission electron microscopy at 30,000 magnification. (A) Inset shows L1+69-81 pentamers at three-fold higher magnification. (B) Inset shows BPV1 wild type L1 VLP for comparison.