3ezj

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[[Image:3ezj.png|left|200px]]
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==Crystal structure of the N-terminal domain of the secretin GspD from ETEC determined with the assistance of a nanobody==
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<StructureSection load='3ezj' size='340' side='right' caption='[[3ezj]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3ezj]] is a 8 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli] and [http://en.wikipedia.org/wiki/Lama_glama Lama glama]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3EZJ OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3EZJ FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">gspD ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli]), NBGSPD_7 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9844 Lama glama])</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3ezj FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3ezj OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3ezj RCSB], [http://www.ebi.ac.uk/pdbsum/3ezj PDBsum]</span></td></tr>
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</table>
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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/ez/3ezj_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/chain_selection.php?pdb_ID=2ata 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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Secretins are among the largest bacterial outer membrane proteins known. Here we report the crystal structure of the periplasmic N-terminal domain of GspD (peri-GspD) from the type 2 secretion system (T2SS) secretin in complex with a nanobody, the VHH domain of a heavy-chain camelid antibody. Two different crystal forms contained the same compact peri-GspD:nanobody heterotetramer. The nanobody contacts peri-GspD mainly via CDR3 and framework residues. The peri-GspD structure reveals three subdomains, with the second and third subdomains exhibiting the KH fold which also occurs in ring-forming proteins of the type 3 secretion system. The first subdomain of GspD is related to domains in phage tail proteins and outer membrane TonB-dependent receptors. A dodecameric peri-GspD model is proposed in which a solvent-accessible beta strand of the first subdomain interacts with secreted proteins and/or T2SS partner proteins by beta strand complementation.
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{{STRUCTURE_3ezj| PDB=3ezj | SCENE= }}
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Crystal structure of the N-terminal domain of the secretin GspD from ETEC determined with the assistance of a nanobody.,Korotkov KV, Pardon E, Steyaert J, Hol WG Structure. 2009 Feb 13;17(2):255-65. PMID:19217396<ref>PMID:19217396</ref>
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===Crystal structure of the N-terminal domain of the secretin GspD from ETEC determined with the assistance of a nanobody===
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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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{{ABSTRACT_PUBMED_19217396}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[3ezj]] is a 8 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli] and [http://en.wikipedia.org/wiki/Lama_glama Lama glama]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3EZJ OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:019217396</ref><references group="xtra"/>
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[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
[[Category: Lama glama]]
[[Category: Lama glama]]
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[[Category: Hol, W G.]]
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[[Category: Hol, W G]]
[[Category: Korotkov, K V]]
[[Category: Korotkov, K V]]
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[[Category: Pardon, E.]]
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[[Category: Pardon, E]]
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[[Category: Steyaert, J.]]
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[[Category: Steyaert, J]]
[[Category: Complex]]
[[Category: Complex]]
[[Category: General secretory pathway]]
[[Category: General secretory pathway]]

Revision as of 08:52, 26 November 2014

Crystal structure of the N-terminal domain of the secretin GspD from ETEC determined with the assistance of a nanobody

3ezj, resolution 2.80Å

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