Table 5. Motor motility and MT sliding parameters in vitro MT sliding assays.
Single motor velocities in relation to free MT sliding motility | ||
---|---|---|
FL-Eg5-GFP | Free MT sliding motility (nm/s) | Motility in sliding zones (nm/s) |
25 mM KCl | 13.8 ± 1.0 n = 26 | 13.9 ± 1.0 n = 32 |
50 mM KCl | 31.2 ± 1.2 n = 33 | 22.7 ± 1.2 n = 71 |
Single motor motility within MT sliding zones | ||
Eg5-Δtail-GFP motors (nm/s) | FL-Eg5-GFP motors (nm/s) | |
Overlap Zone | 8.6 ± 0.9 n = 32 | 3.4 ± 0.3 n = 67 |
Single MT | 9.6 ± 0.8 n = 52 | 5.6 ± 0.3 n = 45 |