(C–F) Effect of phosphatase-binding mutants on KNL1-MELT dephosphorylation in nocodazole-arrested cells treated with the MPS1 inhibitor AZ-3146 (2.5 μM) for the indicated times, either alone (C and D) or in combination with the Aurora B inhibitor ZM-447439 (2 μM, E and F).MG132wa...