2j5x

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[[Image:2j5x.gif|left|200px]]
 
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==STRUCTURE OF THE SMALL G PROTEIN ARF6 IN COMPLEX WITH GTPGAMMAS==
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The line below this paragraph, containing "STRUCTURE_2j5x", creates the "Structure Box" on the page.
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<StructureSection load='2j5x' size='340' side='right'caption='[[2j5x]], [[Resolution|resolution]] 2.80&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'>[[2j5x]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1hfv 1hfv]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2J5X OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2J5X FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 2.8&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GSP:5-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE'>GSP</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
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{{STRUCTURE_2j5x| PDB=2j5x | SCENE= }}
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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=2j5x FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2j5x OCA], [https://pdbe.org/2j5x PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2j5x RCSB], [https://www.ebi.ac.uk/pdbsum/2j5x PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2j5x ProSAT]</span></td></tr>
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</table>
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'''STRUCTURE OF THE SMALL G PROTEIN ARF6 IN COMPLEX WITH GTPGAMMAS'''
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== Function ==
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[https://www.uniprot.org/uniprot/ARF6_HUMAN ARF6_HUMAN] GTP-binding protein involved in protein trafficking; regulates endocytic recycling and cytoskeleton remodeling. May modulate vesicle budding and uncoating within the Golgi apparatus. Functions as an allosteric activator of the cholera toxin catalytic subunit, an ADP-ribosyltransferase. Involved in the regulation of dendritic spine development (By similarity). Contributes to the regulation of dendritic branching and filopodia extension.<ref>PMID:7589240</ref> <ref>PMID:14978216</ref> <ref>PMID:11266366</ref>
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== Evolutionary Conservation ==
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==Overview==
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[[Image:Consurf_key_small.gif|200px|right]]
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The small GTP-binding protein Arf6 coordinates membrane traffic at the plasma membrane with aspects of cytoskeleton organization. This function does not overlap with that of other members of the ADP-ribosylation factor (Arf) family, although their switch regions, which are their major sites of interaction with regulators and effectors, have virtually identical sequences. Here we report the crystal structure of full-length, non-myristoylated human Arf6 bound to GTPgammaS. Unlike their GDP-bound forms, the active forms of Arf6 and Arf1 are very similar. Thus, the switch regions are discriminatory elements between Arf isoforms in their inactive but not in their active forms, a property that may generalize to other families of small G proteins. This suggests that GTP-bound Arfs may establish specific interactions outside the switch regions and/or be recognized in their cellular context rather than as isolated proteins. The structure also allows further insight into the lack of spontaneous GTPase activity of Arf proteins.
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Check<jmol>
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<jmolCheckbox>
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==About this Structure==
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/j5/2j5x_consurf.spt"</scriptWhenChecked>
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2J5X is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1hfv 1hfv]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2J5X OCA].
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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==Reference==
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</jmolCheckbox>
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The structural GDP/GTP cycle of human Arf6., Pasqualato S, Menetrey J, Franco M, Cherfils J, EMBO Rep. 2001 Mar;2(3):234-8. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/11266366 11266366]
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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=2j5x ConSurf].
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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: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Cherfils, J.]]
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[[Category: Cherfils J]]
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[[Category: Franco, M.]]
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[[Category: Franco M]]
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[[Category: Menetrey, J.]]
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[[Category: Menetrey J]]
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[[Category: Pasqualato, S.]]
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[[Category: Pasqualato S]]
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[[Category: Arf]]
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[[Category: Arf6]]
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[[Category: Er-golgi transport]]
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[[Category: G protein]]
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[[Category: Golgi apparatus]]
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[[Category: Gtp-binding]]
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[[Category: Lipoprotein]]
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[[Category: Membrane traffic]]
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[[Category: Myristate]]
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[[Category: Nucleotide-binding]]
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[[Category: Protein transport]]
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[[Category: Ra]]
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[[Category: Transport]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 08:23:20 2008''
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Current revision

STRUCTURE OF THE SMALL G PROTEIN ARF6 IN COMPLEX WITH GTPGAMMAS

PDB ID 2j5x

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