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. 2014 Aug 27;9(8):e104965. doi: 10.1371/journal.pone.0104965

Figure 2. Depletion mediated interaction between microtubules.

Figure 2

For intercalants of radius r (presumed here to be hyperphosphorylated taus) an annulus between Inline graphic is depleted of intercalants. The loss of excluded volume as the microtubules approach allows increased translational entropy outside the bundle for the intercalants.