1kmh

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[[Image:1kmh.png|left|200px]]
 
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==Crystal Structure of spinach chloroplast F1-ATPase complexed with tentoxin==
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The line below this paragraph, containing "STRUCTURE_1kmh", creates the "Structure Box" on the page.
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<StructureSection load='1kmh' size='340' side='right'caption='[[1kmh]], [[Resolution|resolution]] 3.40&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'>[[1kmh]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Spinacia_oleracea Spinacia oleracea]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1KMH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1KMH 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]] 3.4&#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=TTX:TENTOXIN'>TTX</scene></td></tr>
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{{STRUCTURE_1kmh| PDB=1kmh | 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=1kmh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1kmh OCA], [https://pdbe.org/1kmh PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1kmh RCSB], [https://www.ebi.ac.uk/pdbsum/1kmh PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1kmh ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/ATPA_SPIOL ATPA_SPIOL] Produces ATP from ADP in the presence of a proton gradient across the membrane. The alpha chain is a regulatory subunit.
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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/km/1kmh_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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=1kmh ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Tentoxin, a natural cyclic tetrapeptide produced by phytopathogenic fungi from the Alternaria species affects the catalytic function of the chloroplast F(1)-ATPase in certain sensitive species of plants. In this study, we show that the uncompetitive inhibitor tentoxin binds to the alphabeta-interface of the chloroplast F(1)-ATPase in a cleft localized at betaAsp-83. Most of the binding site is located on the noncatalytic alpha-subunit. The crystal structure of the tentoxin-inhibited CF(1)-complex suggests that the inhibitor is hydrogen bonded to Asp-83 in the catalytic beta-subunit but forms hydrophobic contacts with residues Ile-63, Leu-65, Val-75, Tyr-237, Leu-238, and Met-274 in the adjacent alpha-subunit. Except for minor changes around the tentoxin-binding site, the structure of the chloroplast alpha(3)beta(3)-core complex is the same as that determined with the native chloroplast ATPase. Tentoxin seems to act by inhibiting inter-subunit contacts at the alphabeta-interface and by blocking the interconversion of binding sites in the catalytic mechanism.
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===Crystal Structure of spinach chloroplast F1-ATPase complexed with tentoxin===
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Structure of spinach chloroplast F1-ATPase complexed with the phytopathogenic inhibitor tentoxin.,Groth G Proc Natl Acad Sci U S A. 2002 Mar 19;99(6):3464-8. PMID:11904410<ref>PMID:11904410</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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The line below this paragraph, {{ABSTRACT_PUBMED_11904410}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 1kmh" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 11904410 is the PubMed ID number.
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{{ABSTRACT_PUBMED_11904410}}
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==About this Structure==
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[[1kmh]] is a 2 chain structure of [[ATPase]] with sequence from [http://en.wikipedia.org/wiki/Spinacia_oleracea Spinacia oleracea]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1KMH OCA].
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==See Also==
==See Also==
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*[[ATPase]]
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*[[ATPase 3D structures|ATPase 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:11904410</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Spinacia oleracea]]
[[Category: Spinacia oleracea]]
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[[Category: Groth, G.]]
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[[Category: Groth G]]
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[[Category: Hydrolase]]
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[[Category: Protein-inhibitor complex]]
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Current revision

Crystal Structure of spinach chloroplast F1-ATPase complexed with tentoxin

PDB ID 1kmh

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