Minus-end microtubule-dependent motor protein (PubMed:28263957). Acts as a negative regulator of centrosome separation required to prevent premature centrosome separation during interphase (By similarity). Required to maintain a centered nucleus to ensure that the spindle is stably oriented at the onset of mitosis (By similarity). May also act as a negative regulator of amino acid starvation-induced autophagy (By similarity). Homotetramer. Belongs to the TRAFAC class myosin-kinesin ATPase superfamily. Kinesin family.