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Number of steps taken by kinesin molecule before releasing from microtubule

Range	~100 steps
Organism	Eukaryotes
Reference	Schnitzer MJ, Block SM. Kinesin hydrolyses one ATP per 8-nm step. Nature. 1997 Jul 24 388(6640):386-90. abstractPubMed ID9237757
Primary Source	[5] Block, S. M., Goldstein, L. S. B. & Schnapp, B. J. Bead movement by single kinesin molecules studied with optical tweezers. Nature 348, 348–352 (1990). [6] Vale, R. D. et al . Direct observation of single kinesin molecules moving along microtubules. Nature 380, 451–453 (1996). [7] Hackney, D. D. Highly processive microtubule-stimulated ATP hydrolysis by dimeric kinesin head domains. Nature 377, 448–450 (1995).PubMed ID2174512, 8602245, 7566125
Comments	"Kinesin is a two-headed, ATP-dependent motor protein [refs 1, 2] that moves along microtubules indiscrete steps [ref 3] of 8 nm. In vitro, single molecules produce processive movement [refs 4, 5], motors typically take 100 steps before releasing from a microtubule [primary sources]."
Entered by	Uri M
ID	103552