Figure 1.

Class Averages of Vitrified YnaI Samples

(A) 2D class averages of vitrified YnaI. The class averages were calculated with Relion. Only those class averages are shown in which the particle images could be aligned accurately. White arrowheads mark contact sites to neighboring particles in the aggregates.

(B) Three 3D class averages. The upper row shows a surface representation of the full class average; the lower row shows the same view, with the front half of the particle cut away. Arrows indicate extra density due to contacts with neighboring particles. The scale bar represents 5 nm.

See also Figure S1.