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How kinesin motor proteins drive mitotic spindle function: Lessons from molecular assays

How kinesin motor proteins drive mitotic spindle function: Lessons from molecular assays,10.1016/j.semcdb.2010.01.018,Seminars in Cell & Developmental

How kinesin motor proteins drive mitotic spindle function: Lessons from molecular assays   (Citations: 3)
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Kinesins are enzymes that use the energy of ATP to perform mechanical work. There are approximately 14 families of kinesins within the kinesin superfamily. Family classification is derived primarily from alignments of the sequences of the core motor domain. For this reason, the enzymatic behavior and motility of each motor generally reflects its family. At the cellular level, kinesin motors perform a variety of functions during cell division and within the mitotic spindle to ensure that chromosomes are segregated with the highest fidelity possible. The cellular functions of these motors are intimately related to their mechanical and enzymatic properties at the single molecule level. For this reason, motility studies designed to evaluate the activity of purified molecular motors are a requirement in order to understand, mechanistically, how these motors make the mitotic spindle work and what can cause the spindle to fail. This review will focus on a selection of illustrative kinesins, which have been studied at the molecular level in order to inform our understanding of their function in cells. In addition, the review will endeavor to point out some kinesins that have been studied extensively but which still lack sufficient molecular underpinnings to fully predict their contribution to spindle function.
Journal: Seminars in Cell & Developmental Biology - SEMIN CELL DEV BIOL , vol. 21, no. 3, pp. 260-268, 2010
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