https://www.selleckchem.com/products/hs94.html
To assemble a bipolar spindle, microtubules emanating from two poles must bundle into an antiparallel midzone, where plus end-directed motors generate outward pushing forces to drive pole separation. Midzone cross-linkers and motors display only modest preferences for antiparallel filaments, and duplicated poles are initially tethered together, an arrangement that instead favors parallel interactions. Pivoting of microtubules around spindle poles might help overcome this geometric bias, but the intrinsic pivoting flexibility of the microtu
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