2a7u

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[[Image:2a7u.gif|left|200px]]
 
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{{Structure
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==NMR solution structure of the E.coli F-ATPase delta subunit N-terminal domain in complex with alpha subunit N-terminal 22 residues==
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|PDB= 2a7u |SIZE=350|CAPTION= <scene name='initialview01'>2a7u</scene>
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<StructureSection load='2a7u' size='340' side='right'caption='[[2a7u]]' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND=
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<table><tr><td colspan='2'>[[2a7u]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli] and [https://en.wikipedia.org/wiki/Escherichia_coli_O157:H7 Escherichia coli O157:H7]. The December 2005 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''ATP Synthase'' by David S. Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2005_12 10.2210/rcsb_pdb/mom_2005_12]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2A7U OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2A7U FirstGlance]. <br>
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/H(+)-transporting_two-sector_ATPase H(+)-transporting two-sector ATPase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.6.3.14 3.6.3.14] </span>
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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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|GENE= atpH, papE, uncH ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli])
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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=2a7u FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2a7u OCA], [https://pdbe.org/2a7u PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2a7u RCSB], [https://www.ebi.ac.uk/pdbsum/2a7u PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2a7u ProSAT]</span></td></tr>
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|DOMAIN=
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</table>
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|RELATEDENTRY=[[1abv|1ABV]]
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== Function ==
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2a7u FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2a7u OCA], [http://www.ebi.ac.uk/pdbsum/2a7u PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2a7u RCSB]</span>
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[https://www.uniprot.org/uniprot/ATPA_ECO57 ATPA_ECO57] 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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}}
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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/a7/2a7u_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=2a7u ConSurf].
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<div style="clear:both"></div>
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'''NMR solution structure of the E.coli F-ATPase delta subunit N-terminal domain in complex with alpha subunit N-terminal 22 residues'''
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==See Also==
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*[[ATPase 3D structures|ATPase 3D structures]]
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__TOC__
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==Overview==
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</StructureSection>
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A critical point of interaction between F(1) and F(0) in the bacterial F(1)F(0)-ATP synthase is formed by the alpha and delta subunits. Previous work has shown that the N-terminal domain (residues 3-105) of the delta subunit forms a 6 alpha-helix bundle [Wilkens, S., Dunn, S. D., Chandler, J., Dahlquist, F. W., and Capaldi, R. A. (1997) Nat. Struct. Biol. 4, 198-201] and that the majority of the binding energy between delta and F(1) is provided by the interaction between the N-terminal 22 residues of the alpha- and N-terminal domain of the delta subunit [Weber, J., Muharemagic, A., Wilke-Mounts, S., and Senior, A. E. (2003) J. Biol. Chem. 278, 13623-13626]. We have now analyzed a 1:1 complex of the delta-subunit N-terminal domain and a peptide comprising the N-terminal 22 residues of the alpha subunit by heteronuclear protein NMR spectroscopy. A comparison of the chemical-shift values of delta-subunit residues with and without alpha N-terminal peptide bound indicates that the binding interface on the N-terminal domain of the delta subunit is formed by alpha helices I and V. NOE cross-peak patterns in 2D (12)C/(12)C-filtered NOESY spectra of the (13)C-labeled delta-subunit N-terminal domain in complex with unlabeled peptide verify that residues 8-18 in the alpha-subunit N-terminal peptide are folded as an alpha helix when bound to delta N-terminal domain. On the basis of intermolecular contacts observed in (12)C/(13)C-filtered NOESY experiments, we describe structural details of the interaction of the delta-subunit N-terminal domain with the alpha-subunit N-terminal alpha helix.
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==About this Structure==
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2A7U is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. The following page contains interesting information on the relation of 2A7U with [[http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/pdb72_1.html ATP Synthase]]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2A7U OCA].
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==Reference==
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Structural characterization of the interaction of the delta and alpha subunits of the Escherichia coli F1F0-ATP synthase by NMR spectroscopy., Wilkens S, Borchardt D, Weber J, Senior AE, Biochemistry. 2005 Sep 6;44(35):11786-94. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16128580 16128580]
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[[Category: ATP Synthase]]
[[Category: ATP Synthase]]
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
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[[Category: H(+)-transporting two-sector ATPase]]
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[[Category: Escherichia coli O157:H7]]
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[[Category: Protein complex]]
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[[Category: Large Structures]]
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[[Category: Borchardt, D.]]
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[[Category: RCSB PDB Molecule of the Month]]
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[[Category: Senior, A E.]]
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[[Category: Borchardt D]]
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[[Category: Weber, J.]]
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[[Category: Senior AE]]
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[[Category: Wilkens, S.]]
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[[Category: Weber J]]
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[[Category: alpha helix bundle]]
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[[Category: Wilkens S]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 01:49:02 2008''
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Current revision

NMR solution structure of the E.coli F-ATPase delta subunit N-terminal domain in complex with alpha subunit N-terminal 22 residues

PDB ID 2a7u

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