5tcy

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Current revision (15:40, 6 March 2024) (edit) (undo)
 
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<StructureSection load='5tcy' size='340' side='right'caption='[[5tcy]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
<StructureSection load='5tcy' size='340' side='right'caption='[[5tcy]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[5tcy]] is a 3 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5TCY OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=5TCY FirstGlance]. <br>
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<table><tr><td colspan='2'>[[5tcy]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Campylobacter_jejuni_BJ-CJGB96299 Campylobacter jejuni BJ-CJGB96299]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5TCY OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5TCY FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=5LC:N,N-PENTANE-1,5-DIYLBIS(2,3-DIHYDROXYBENZAMIDE)'>5LC</scene>, <scene name='pdbligand=FE:FE+(III)+ION'>FE</scene></td></tr>
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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]] 1.9&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3zkw|3zkw]], [[5a1j|5a1j]], [[5a5v|5a5v]], [[5ad1|5ad1]]</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=5LC:N,N-PENTANE-1,5-DIYLBIS(2,3-DIHYDROXYBENZAMIDE)'>5LC</scene>, <scene name='pdbligand=FE:FE+(III)+ION'>FE</scene></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=5tcy FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5tcy OCA], [http://pdbe.org/5tcy PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5tcy RCSB], [http://www.ebi.ac.uk/pdbsum/5tcy PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5tcy ProSAT]</span></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=5tcy FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5tcy OCA], [https://pdbe.org/5tcy PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5tcy RCSB], [https://www.ebi.ac.uk/pdbsum/5tcy PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5tcy ProSAT]</span></td></tr>
</table>
</table>
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<div style="background-color:#fffaf0;">
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== Function ==
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== Publication Abstract from PubMed ==
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[https://www.uniprot.org/uniprot/Q0P8Q4_CAMJE Q0P8Q4_CAMJE]
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Bacteria use siderophores to mediate the transport of essential Fe(III) into the cell. In Campylobacter jejuni the periplasmic binding protein CeuE, an integral part of the Fe(III) transport system, has adapted to bind tetradentate siderophores using a His and a Tyr side chain to complete the Fe(III) coordination. A series of tetradentate siderophore mimics was synthesized in which the length of the linker between the two iron-binding catecholamide units was increased from four carbon atoms (4-LICAM4-) to five, six and eight (5-, 6-, 8-LICAM4-, respectively). Co-crystal structures with CeuE showed that the inter-planar angles between the iron-binding catecholamide units in the 5-, 6- and 8-LICAM4- structures are very similar (111 degrees , 110 degrees and 110 degrees ) and allow for an optimum fit into the binding pocket of CeuE, the inter-planar angle in the structure of 4-LICAM4- is significantly smaller (97 degrees ) due to restrictions imposed by the shorter linker. Accordingly, the protein-binding affinity was found to be slightly higher for 5- compared to 4-LICAM4- but decreases for 6- and 8-LICAM4-. The optimum linker length of five matches that present in natural siderophores such as enterobactin and azotochelin. Site-directed mutagenesis was used to investigate the relative importance of the Fe(III)-coordinating residues H227 and Y288.
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Interactions of the periplasmic binding protein CeuE with Fe(III) n-LICAM4- siderophore analogues of varied linker length.,Wilde EJ, Hughes A, Blagova EV, Moroz OV, Thomas RP, Turkenburg JP, Raines DJ, Duhme-Klair AK, Wilson KS Sci Rep. 2017 Apr 6;7:45941. doi: 10.1038/srep45941. PMID:28383577<ref>PMID:28383577</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 5tcy" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Campylobacter jejuni BJ-CJGB96299]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Blagova, E]]
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[[Category: Blagova E]]
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[[Category: Duhme-Klair, A K]]
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[[Category: Duhme-Klair A-K]]
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[[Category: Hughes, A]]
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[[Category: Hughes A]]
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[[Category: Moroz, O V]]
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[[Category: Moroz OV]]
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[[Category: Raines, D J]]
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[[Category: Raines DJ]]
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[[Category: Turkenburg, J P]]
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[[Category: Turkenburg JP]]
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[[Category: Wilde, E J]]
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[[Category: Wilde EJ]]
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[[Category: Wilson, K S]]
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[[Category: Wilson KS]]
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[[Category: Iron-uptake]]
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[[Category: Metal transport]]
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[[Category: Periplasmic]]
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[[Category: Siderophore]]
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[[Category: Tetradentate]]
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Current revision

A complex of the synthetic siderophore analogue Fe(III)-5-LICAM with CeuE (H227L variant), a periplasmic protein from Campylobacter jejuni.

PDB ID 5tcy

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OCA

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