2khk

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{{Seed}}
 
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[[Image:2khk.jpg|left|200px]]
 
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==NMR solution structure of the b30-82 domain of subunit b of Escherichia coli F1FO ATP synthase==
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The line below this paragraph, containing "STRUCTURE_2khk", creates the "Structure Box" on the page.
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<StructureSection load='2khk' size='340' side='right'caption='[[2khk]]' 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'>[[2khk]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli_K-12 Escherichia coli K-12]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2KHK OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2KHK 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">Solution NMR</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=2khk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2khk OCA], [https://pdbe.org/2khk PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2khk RCSB], [https://www.ebi.ac.uk/pdbsum/2khk PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2khk ProSAT]</span></td></tr>
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{{STRUCTURE_2khk| PDB=2khk | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/ATPF_ECOLI ATPF_ECOLI] F(1)F(0) ATP synthase produces ATP from ADP in the presence of a proton or sodium gradient. F-type ATPases consist of two structural domains, F(1) containing the extramembraneous catalytic core and F(0) containing the membrane proton channel, linked together by a central stalk and a peripheral stalk. During catalysis, ATP synthesis in the catalytic domain of F(1) is coupled via a rotary mechanism of the central stalk subunits to proton translocation (By similarity).<ref>PMID:1682301</ref> Component of the F(0) channel, it forms part of the peripheral stalk, linking F(1) to F(0) (By similarity).<ref>PMID:1682301</ref>
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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/kh/2khk_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=2khk 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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Subunit b, the peripheral stalk of bacterial F(1)F(o) ATP synthases, is composed of a membrane-spanning and a soluble part. The soluble part is divided into tether, dimerization, and delta-binding domains. The first solution structure of b30-82, including the tether region and part of the dimerization domain, has been solved by nuclear magnetic resonance, revealing an alpha-helix between residues 39 and 72. In the solution structure, b30-82 has a length of 48.07 A. The surface charge distribution of b30-82 shows one side with a hydrophobic surface pattern, formed by alanine residues. Alanine residues 61, 68, 70, and 72 were replaced by single cysteines in the soluble part of subunit b, b22-156. The cysteines at positions 61, 68, and 72 showed disulfide formation. In contrast, no cross-link could be formed for the A70C mutant. The patterns of disulfide bonding, together with the circular dichroism spectroscopy data, are indicative of an adjacent arrangement of residues 61, 68, and 72 in both alpha-helices in b22-156.
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===NMR solution structure of the b30-82 domain of subunit b of Escherichia coli F1FO ATP synthase===
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Solution structure, determined by nuclear magnetic resonance, of the b30-82 domain of subunit b of Escherichia coli F1Fo ATP synthase.,Priya R, Biukovic G, Gayen S, Vivekanandan S, Gruber G J Bacteriol. 2009 Dec;191(24):7538-44. Epub 2009 Oct 9. PMID:19820091<ref>PMID:19820091</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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<div class="pdbe-citations 2khk" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_19820091}}, adds the Publication Abstract to the page
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*[[ATPase 3D structures|ATPase 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 19820091 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_19820091}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Escherichia coli K-12]]
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2KHK is a 1 chain structure of sequence from [http://en.wikipedia.org/wiki/Escherichia_coli_k-12 Escherichia coli k-12]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2KHK OCA].
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[[Category: Large Structures]]
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[[Category: Biukovic G]]
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==Reference==
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[[Category: Gayen S]]
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<ref group="xtra">PMID:19820091</ref><references group="xtra"/>
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[[Category: Gruber G]]
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[[Category: Escherichia coli k-12]]
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[[Category: Priya R]]
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[[Category: Biukovic, G.]]
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[[Category: Vivekanandan S]]
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[[Category: Gayen, S.]]
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[[Category: Gruber, G.]]
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[[Category: Priya, R.]]
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[[Category: Vivekanandan, S.]]
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[[Category: Atp synthesis]]
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[[Category: B30-82]]
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[[Category: Cell inner membrane]]
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[[Category: Cell membrane]]
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[[Category: F1fo atp synthase]]
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[[Category: Hydrogen ion transport]]
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[[Category: Ion transport]]
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[[Category: Membrane]]
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[[Category: Nmr spectroscopy]]
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[[Category: Transmembrane]]
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[[Category: Transport]]
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[[Category: Transport protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Dec 16 13:12:10 2009''
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Current revision

NMR solution structure of the b30-82 domain of subunit b of Escherichia coli F1FO ATP synthase

PDB ID 2khk

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