Fig. 4From: Characterization of human papillomavirus type 16 pseudovirus containing histonesTEM analysis of HPV16 PsVs from fraction I, II and III stained with immunogold. Human histone H3 protein was detected with rabbit anti-human histone H3, together with 5 nm gold-labeled anti-rabbit IgG as described in Methods. Magnification is 234,000× (bar 100 nm)Back to article page