Plus end-directed microtubule-dependent motor required for spindle assembly and chromosome movement during mitosis. Has microtubule depolymerization activity. Plays a role in chromosome congression.
Subcellular locations: Cytoplasm, Cytoskeleton, Microtubule organizing center, Centrosome, Cytoplasm, Cytoskeleton, Spindle, Chromosome, Centromere, Kinetochore
Association with kinetochore is transient.