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. 2014 Apr 16;9(4):e94789. doi: 10.1371/journal.pone.0094789

Figure 4. Fiber bundle formation.

Figure 4

Lysozyme fibers aggregate by lateral association to form bundles. Left, center: Arrows identify points at which two fibers join to form a bundle. Appearance of the bundle suggests the fibers wrap around each other in a spiral fashion, a process described by Terech [8] as helix formation. This requires the fibers be free to rotate. Right: Lysozyme fibers in a bundle may remain separated over a short distance and then rejoin, suggesting fiber helices must be aligned for bundling to occur.