Table 1.

Image-processing statistics

Resolution at FSC 0.5/0.143, Å	8.8/7.1
Total length of nonoverlapping segments, nm	87,265
No. of fibrils	188
No. of segments	11,527
Segment size, nm	84.2
Size of 3D reconstruction, nm	77.7
Segment step size, nm	6.5
Average cross-over distance/repeat distance, nm	142.5/0.48
Pixel size on the specimen, Å	1.2