Kinesin

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== Function ==
== Function ==
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[[Kinesin|Kinesins]] are eukaryotic motor proteins which move along microtubules<ref>PMID:19773780</ref>. Kinesin (KIF) is a dimer consisting of 2 heavy chains and two light chains. The heavy chain contains the N-terminal globular motor domain (MD) residues 1-375, responsible for the motor activity of kinesin, a central flexible neck linker (FNL) coiled-coil stalk which intertwines to form the dimer and a small globular C-terminal domain which interacts with other proteins like the kinesin light chain. The light chain (KLC) forms the tail region. The KLC contains a cargo binding domain which is called TPR (Tetratricopeptide repeat). The KIFs are named by their gene number. KIF are organized into 14 families names kinesin-1 to kinesin-14. KIF contains a forkhead-associated domain (FHA) which is involved in phosphopeptide recognition.<br />
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[[Kinesin|Kinesins]] are eukaryotic motor proteins which move along microtubules<ref>PMID:19773780</ref>. Kinesin (KIF) is a dimer consisting of 2 heavy chains and two light chains. The heavy chain contains the N-terminal globular motor domain (MD) residues 1-375, responsible for the motor activity of kinesin, a central flexible neck linker (FNL) coiled-coil stalk which intertwines to form the dimer and a small globular C-terminal domain which interacts with other proteins like the kinesin light chain. The light chain (KLC) forms the tail region. The KLC contains a cargo binding domain which is called TPR (Tetratricopeptide repeat). The KIFs are named by their gene number. KIF are organized into 14 families named kinesin-1 to kinesin-14. KIF contains a forkhead-associated domain (FHA) which is involved in phosphopeptide recognition.<br />
*'''KIF1A''' transports organelles along axonal microtubules.<br />
*'''KIF1A''' transports organelles along axonal microtubules.<br />
*'''KIF1C''' and '''KIF2''' are plus-ended directed microtubule motors.<br />
*'''KIF1C''' and '''KIF2''' are plus-ended directed microtubule motors.<br />

Current revision

KIF1A Motor Domain complex with ADP and Mg+2 ion (green), 2zfi

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References

  1. Hirokawa N, Noda Y, Tanaka Y, Niwa S. Kinesin superfamily motor proteins and intracellular transport. Nat Rev Mol Cell Biol. 2009 Oct;10(10):682-96. doi: 10.1038/nrm2774. PMID:19773780 doi:http://dx.doi.org/10.1038/nrm2774
  2. Ebbing B, Mann K, Starosta A, Jaud J, Schols L, Schule R, Woehlke G. Effect of spastic paraplegia mutations in KIF5A kinesin on transport activity. Hum Mol Genet. 2008 May 1;17(9):1245-52. doi: 10.1093/hmg/ddn014. Epub 2008 Jan, 18. PMID:18203753 doi:http://dx.doi.org/10.1093/hmg/ddn014
  3. Hirokawa N, Takemura R. Biochemical and molecular characterization of diseases linked to motor proteins. Trends Biochem Sci. 2003 Oct;28(10):558-65. PMID:14559185 doi:http://dx.doi.org/10.1016/j.tibs.2003.08.006
  4. Grosch M, Gruner B, Spranger S, Stutz AM, Rausch T, Korbel JO, Seelow D, Nurnberg P, Sticht H, Lausch E, Zabel B, Winterpacht A, Tagariello A. Identification of a Ninein (NIN) mutation in a family with spondyloepimetaphyseal dysplasia with joint laxity (leptodactylic type)-like phenotype. Matrix Biol. 2013 Oct-Nov;32(7-8):387-92. doi: 10.1016/j.matbio.2013.05.001. Epub, 2013 May 9. PMID:23665482 doi:http://dx.doi.org/10.1016/j.matbio.2013.05.001
  5. Nitta R, Okada Y, Hirokawa N. Structural model for strain-dependent microtubule activation of Mg-ADP release from kinesin. Nat Struct Mol Biol. 2008 Oct;15(10):1067-75. Epub 2008 Sep 21. PMID:18806800 doi:10.1038/nsmb.1487
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