1koa

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[[Image:1koa.gif|left|200px]]
 
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==TWITCHIN KINASE FRAGMENT (C.ELEGANS), AUTOREGULATED PROTEIN KINASE AND IMMUNOGLOBULIN DOMAINS==
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The line below this paragraph, containing "STRUCTURE_1koa", creates the "Structure Box" on the page.
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<StructureSection load='1koa' size='340' side='right'caption='[[1koa]], [[Resolution|resolution]] 3.30&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1koa]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Caenorhabditis_elegans Caenorhabditis elegans]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1KOA OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1KOA FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3.3&#8491;</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1koa FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1koa OCA], [https://pdbe.org/1koa PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1koa RCSB], [https://www.ebi.ac.uk/pdbsum/1koa PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1koa ProSAT]</span></td></tr>
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{{STRUCTURE_1koa| PDB=1koa | SCENE= }}
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</table>
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== Function ==
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'''TWITCHIN KINASE FRAGMENT (C.ELEGANS), AUTOREGULATED PROTEIN KINASE AND IMMUNOGLOBULIN DOMAINS'''
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[https://www.uniprot.org/uniprot/UNC22_CAEEL UNC22_CAEEL] Regulator of muscle contraction and relaxation. Senses mechanical strain that occurs during muscle activity by unfolding in clearly resolvable steps at differing forces.<ref>PMID:7190524</ref> <ref>PMID:18390597</ref>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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==Overview==
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Check<jmol>
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The myosin-associated giant protein kinases twitchin and titin are composed predominantly of fibronectin- and immunoglobulin-like modules. We report the crystal structures of two autoinhibited twitchin kinase fragments, one from Aplysia and a larger fragment from Caenorhabditis elegans containing an additional C-terminal immunoglobulin-like domain. The structure of the longer fragment shows that the immunoglobulin domain contacts the protein kinase domain on the opposite side from the catalytic cleft, laterally exposing potential myosin binding residues. Together, the structures reveal the cooperative interactions between the autoregulatory region and the residues from the catalytic domain involved in protein substrate binding, ATP binding, catalysis and the activation loop, and explain the differences between the observed autoinhibitory mechanism and the one found in the structure of calmodulin-dependent kinase I.
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ko/1koa_consurf.spt"</scriptWhenChecked>
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==About this Structure==
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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1KOA is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Caenorhabditis_elegans Caenorhabditis elegans]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1KOA OCA].
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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==Reference==
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1koa ConSurf].
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Giant protein kinases: domain interactions and structural basis of autoregulation., Kobe B, Heierhorst J, Feil SC, Parker MW, Benian GM, Weiss KR, Kemp BE, EMBO J. 1996 Dec 16;15(24):6810-21. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/9003756 9003756]
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<div style="clear:both"></div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Caenorhabditis elegans]]
[[Category: Caenorhabditis elegans]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Benian, G M.]]
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[[Category: Benian GM]]
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[[Category: Feil, S C.]]
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[[Category: Feil SC]]
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[[Category: Heierhorst, J.]]
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[[Category: Heierhorst J]]
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[[Category: Kemp, B E.]]
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[[Category: Kemp BE]]
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[[Category: Kobe, B.]]
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[[Category: Kobe B]]
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[[Category: Parker, M W.]]
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[[Category: Parker MW]]
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[[Category: Weiss, K R.]]
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[[Category: Weiss KR]]
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[[Category: Intrasteric regulation]]
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[[Category: Kinase]]
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[[Category: Twitchin]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 22:58:31 2008''
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Current revision

TWITCHIN KINASE FRAGMENT (C.ELEGANS), AUTOREGULATED PROTEIN KINASE AND IMMUNOGLOBULIN DOMAINS

PDB ID 1koa

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