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==Crystal structure of TonB in complex with FhuA, E. coli outer membrane receptor for ferrichrome==
==Crystal structure of TonB in complex with FhuA, E. coli outer membrane receptor for ferrichrome==
<StructureSection load='2grx' size='340' side='right' caption='[[2grx]], [[Resolution|resolution]] 3.30&Aring;' scene=''>
<StructureSection load='2grx' size='340' side='right'caption='[[2grx]], [[Resolution|resolution]] 3.30&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[2grx]] is a 4 chain structure with 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=2GRX OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2GRX FirstGlance]. <br>
<table><tr><td colspan='2'>[[2grx]] is a 4 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=2GRX OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2GRX FirstGlance]. <br>
</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=DAO:LAURIC+ACID'>DAO</scene>, <scene name='pdbligand=DPO:DIPHOSPHATE'>DPO</scene>, <scene name='pdbligand=EAP:2-AMINO-VINYL-PHOSPHATE'>EAP</scene>, <scene name='pdbligand=FCI:FERRICROCIN-IRON'>FCI</scene>, <scene name='pdbligand=FTT:3-HYDROXY-TETRADECANOIC+ACID'>FTT</scene>, <scene name='pdbligand=MYR:MYRISTIC+ACID'>MYR</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene>, <scene name='pdbligand=GCN:3-DEOXY-D-GLUCOSAMINE'>GCN</scene>, <scene name='pdbligand=GMH:L-GLYCERO-D-MANNO-HEPTOPYRANOSE'>GMH</scene>, <scene name='pdbligand=KDO:3-DEOXY-D-MANNO-OCT-2-ULOSONIC+ACID'>KDO</scene><br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3.3&#8491;</td></tr>
<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">fhuA ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli]), tonB ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli])</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=DAO:LAURIC+ACID'>DAO</scene>, <scene name='pdbligand=DPO:DIPHOSPHATE'>DPO</scene>, <scene name='pdbligand=EAP:2-AMINO-VINYL-PHOSPHATE'>EAP</scene>, <scene name='pdbligand=FTT:3-HYDROXY-TETRADECANOIC+ACID'>FTT</scene>, <scene name='pdbligand=GCN:3-DEOXY-D-GLUCOSAMINE'>GCN</scene>, <scene name='pdbligand=GMH:L-GLYCERO-D-MANNO-HEPTOPYRANOSE'>GMH</scene>, <scene name='pdbligand=KDO:3-DEOXY-D-MANNO-OCT-2-ULOSONIC+ACID'>KDO</scene>, <scene name='pdbligand=MYR:MYRISTIC+ACID'>MYR</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2grx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2grx OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2grx RCSB], [http://www.ebi.ac.uk/pdbsum/2grx PDBsum]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2grx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2grx OCA], [https://pdbe.org/2grx PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2grx RCSB], [https://www.ebi.ac.uk/pdbsum/2grx PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2grx ProSAT]</span></td></tr>
<table>
</table>
== Function ==
[https://www.uniprot.org/uniprot/FHUA_ECOLI FHUA_ECOLI] This receptor binds the ferrichrome-iron ligand. It interacts with the TonB protein, which is responsible for energy coupling of the ferrichrome-promoted iron transport system. Acts as a receptor for bacteriophage T5 as well as T1, phi80 and colicin M. Binding of T5 triggers the opening of a high conductance ion channel. Can also transport the antibiotic albomycin.<ref>PMID:8617231</ref>  
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
   <jmolCheckbox>
   <jmolCheckbox>
     <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/gr/2grx_consurf.spt"</scriptWhenChecked>
     <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/gr/2grx_consurf.spt"</scriptWhenChecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
     <text>to colour the structure by Evolutionary Conservation</text>
     <text>to colour the structure by Evolutionary Conservation</text>
   </jmolCheckbox>
   </jmolCheckbox>
</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].
</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=2grx ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
</div>
<div class="pdbe-citations 2grx" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
*[[Ferric hydroxamate uptake receptor|Ferric hydroxamate uptake receptor]]
*[[TonB|TonB]]
*[[TonB|TonB]]
== References ==
== References ==
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</StructureSection>
</StructureSection>
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
[[Category: Allaire, M.]]
[[Category: Large Structures]]
[[Category: Coulton, J W.]]
[[Category: Allaire M]]
[[Category: Pawelek, P D.]]
[[Category: Coulton JW]]
[[Category: Beta barrel]]
[[Category: Pawelek PD]]
[[Category: Heterocomplex]]
[[Category: Inter-protein beta sheet]]
[[Category: Metal transport]]
[[Category: Outer membrane]]
[[Category: Protein-protein]]
Retrieved from "https://proteopedia.org/2grx"