MT-gliding assays of OSM-3WT with NEKL-3. Video represents MT-gliding assays of OSM-3WT with NEKL-3. Fluorescent signals showed rhodamine-labeled MTs. Movies were filmed by TIRF microscopy. Scale bar, 5 μm. Frames were taken every second. Display rate, 10 frames per second. TIRF, total internal reflection fluorescence.