2hdf

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{{Seed}}
 
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[[Image:2hdf.png|left|200px]]
 
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==Crystal structure of the Colicin I receptor Cir from E.coli==
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The line below this paragraph, containing "STRUCTURE_2hdf", creates the "Structure Box" on the page.
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<StructureSection load='2hdf' size='340' side='right'caption='[[2hdf]], [[Resolution|resolution]] 2.65&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'>[[2hdf]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2HDF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2HDF 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]] 2.65&#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=MSE:SELENOMETHIONINE'>MSE</scene>, <scene name='pdbligand=OES:N-OCTYL-2-HYDROXYETHYL+SULFOXIDE'>OES</scene>, <scene name='pdbligand=SR:STRONTIUM+ION'>SR</scene></td></tr>
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{{STRUCTURE_2hdf| PDB=2hdf | 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=2hdf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2hdf OCA], [https://pdbe.org/2hdf PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2hdf RCSB], [https://www.ebi.ac.uk/pdbsum/2hdf PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2hdf ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/CIRA_ECOLI CIRA_ECOLI] Not yet known. Postulated to participate in iron transport. Outer membrane receptor for colicins IA and IB.
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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/hd/2hdf_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=2hdf 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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Colicin Ia is a 69 kDa protein that kills susceptible Escherichia coli cells by binding to a specific receptor in the outer membrane, colicin I receptor (70 kDa), and subsequently translocating its channel forming domain across the periplasmic space, where it inserts into the inner membrane and forms a voltage-dependent ion channel. We determined crystal structures of colicin I receptor alone and in complex with the receptor binding domain of colicin Ia. The receptor undergoes large and unusual conformational changes upon colicin binding, opening at the cell surface and positioning the receptor binding domain of colicin Ia directly above it. We modelled the interaction with full-length colicin Ia to show that the channel forming domain is initially positioned 150 A above the cell surface. Functional data using full-length colicin Ia show that colicin I receptor is necessary for cell surface binding, and suggest that the receptor participates in translocation of colicin Ia across the outer membrane.
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===Crystal structure of the Colicin I receptor Cir from E.coli===
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Structure of colicin I receptor bound to the R-domain of colicin Ia: implications for protein import.,Buchanan SK, Lukacik P, Grizot S, Ghirlando R, Ali MM, Barnard TJ, Jakes KS, Kienker PK, Esser L EMBO J. 2007 May 16;26(10):2594-604. Epub 2007 Apr 26. PMID:17464289<ref>PMID:17464289</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 2hdf" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_17464289}}, adds the Publication Abstract to the page
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*[[Colicin I receptor|Colicin I receptor]]
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(as it appears on PubMed at http://www.pubmed.gov), where 17464289 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_17464289}}
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__TOC__
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</StructureSection>
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==About this Structure==
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2HDF is a 1 chain structure of sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2HDF OCA].
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==Reference==
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<ref group="xtra">PMID:17464289</ref><references group="xtra"/>
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[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
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[[Category: Buchanan, S K.]]
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[[Category: Large Structures]]
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[[Category: Esser, L.]]
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[[Category: Buchanan SK]]
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[[Category: Lukacik, P.]]
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[[Category: Esser L]]
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[[Category: Colicin i receptor]]
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[[Category: Lukacik P]]
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[[Category: Iron transport]]
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[[Category: Membrane protein]]
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[[Category: Outer membrane]]
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[[Category: Protein transport]]
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[[Category: Signal transduction]]
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[[Category: Tonb box]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Apr 19 08:40:51 2009''
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Current revision

Crystal structure of the Colicin I receptor Cir from E.coli

PDB ID 2hdf

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