1d4x

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(New page: 200px<br /> <applet load="1d4x" size="450" color="white" frame="true" align="right" spinBox="true" caption="1d4x, resolution 1.75&Aring;" /> '''Crystal Structure o...)
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[[Image:1d4x.gif|left|200px]]<br />
 
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<applet load="1d4x" size="450" color="white" frame="true" align="right" spinBox="true"
 
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caption="1d4x, resolution 1.75&Aring;" />
 
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'''Crystal Structure of Caenorhabditis Elegans Mg-ATP Actin Complexed with Human Gelsolin Segment 1 at 1.75 A resolution.'''<br />
 
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==Overview==
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==Crystal Structure of Caenorhabditis Elegans Mg-ATP Actin Complexed with Human Gelsolin Segment 1 at 1.75 A resolution.==
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The structures of Saccharomyces cerevisiae, Dictyostelium, and, Caenorhabditis elegans actin bound to gelsolin segment-1 have been solved, and refined at resolutions between 1.9 and 1.75 A. These structures reveal, several features relevant to the ATP hydrolytic mechanism, including, identification of the nucleophilic water and the roles of Gln-137 and, His-161 in positioning and activating the catalytic water, respectively., The involvement of these residues in the catalytic mechanism is consistent, with yeast genetics studies. This work highlights both structural and, mechanistic similarities with the small and trimeric G proteins and, restricts the types of mechanisms responsible for the considerable, enhancement of ATP hydrolysis associated with actin polymerization. The, conservation of functionalities involved in nucleotide binding and, catalysis also provide insights into the mechanistic features of members, of the family of actin-related proteins.
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<StructureSection load='1d4x' size='340' side='right'caption='[[1d4x]], [[Resolution|resolution]] 1.75&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1d4x]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Caenorhabditis_elegans Caenorhabditis elegans] and [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1D4X OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1D4X 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]] 1.75&#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=ATP:ADENOSINE-5-TRIPHOSPHATE'>ATP</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=SO2:SULFUR+DIOXIDE'>SO2</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></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=1d4x FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1d4x OCA], [https://pdbe.org/1d4x PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1d4x RCSB], [https://www.ebi.ac.uk/pdbsum/1d4x PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1d4x ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/ACT1_CAEEL ACT1_CAEEL]
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/d4/1d4x_consurf.spt"</scriptWhenChecked>
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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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</jmolCheckbox>
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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=1d4x ConSurf].
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<div style="clear:both"></div>
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==Disease==
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==See Also==
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Known disease associated with this structure: Amyloidosis, Finnish type OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=137350 137350]]
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*[[Actin 3D structures|Actin 3D structures]]
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*[[Gelsolin 3D structures|Gelsolin 3D structures]]
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==About this Structure==
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__TOC__
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1D4X is a [http://en.wikipedia.org/wiki/Protein_complex Protein complex] structure of sequences from [http://en.wikipedia.org/wiki/Caenorhabditis_elegans Caenorhabditis elegans] and [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] with MG, CA, SO4, ATP and SO2 as [http://en.wikipedia.org/wiki/ligands ligands]. Full crystallographic information is available from [http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1D4X OCA].
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</StructureSection>
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==Reference==
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The structure of nonvertebrate actin: implications for the ATP hydrolytic mechanism., Vorobiev S, Strokopytov B, Drubin DG, Frieden C, Ono S, Condeelis J, Rubenstein PA, Almo SC, Proc Natl Acad Sci U S A. 2003 May 13;100(10):5760-5. Epub 2003 May 5. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=12732734 12732734]
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[[Category: Caenorhabditis elegans]]
[[Category: Caenorhabditis elegans]]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Protein complex]]
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[[Category: Large Structures]]
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[[Category: Almo, S.C.]]
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[[Category: Almo SC]]
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[[Category: Ono, S.]]
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[[Category: Ono S]]
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[[Category: Vorobiev, S.]]
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[[Category: Vorobiev S]]
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[[Category: ATP]]
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[[Category: CA]]
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[[Category: MG]]
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[[Category: SO2]]
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[[Category: SO4]]
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[[Category: actin]]
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[[Category: c.elegans]]
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[[Category: gelsolin s1]]
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[[Category: mg-atp]]
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''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Mon Nov 12 16:28:58 2007''
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Current revision

Crystal Structure of Caenorhabditis Elegans Mg-ATP Actin Complexed with Human Gelsolin Segment 1 at 1.75 A resolution.

PDB ID 1d4x

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