1oax

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<StructureSection load='1oax' size='340' side='right'caption='[[1oax]], [[Resolution|resolution]] 2.67&Aring;' scene=''>
<StructureSection load='1oax' size='340' side='right'caption='[[1oax]], [[Resolution|resolution]] 2.67&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1oax]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Lk3_transgenic_mice Lk3 transgenic mice]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1OAX OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1OAX FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1oax]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1OAX OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1OAX 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=ANQ:ACENAPHTHENEQUINONE'>ANQ</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]] 2.67&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1oaq|1oaq]], [[1oau|1oau]], [[1oar|1oar]], [[1oay|1oay]], [[1oaz|1oaz]]</div></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=ANQ:ACENAPHTHENEQUINONE'>ANQ</scene></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=1oax FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1oax OCA], [https://pdbe.org/1oax PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1oax RCSB], [https://www.ebi.ac.uk/pdbsum/1oax PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1oax ProSAT]</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=1oax FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1oax OCA], [https://pdbe.org/1oax PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1oax RCSB], [https://www.ebi.ac.uk/pdbsum/1oax PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1oax ProSAT]</span></td></tr>
</table>
</table>
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== Function ==
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[https://www.uniprot.org/uniprot/LV1B_MOUSE LV1B_MOUSE]
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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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=1oax 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=1oax ConSurf].
<div style="clear:both"></div>
<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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A single antibody was shown to adopt different binding-site conformations and thereby bind unrelated antigens. Analysis by both x-ray crystallography and pre-steady-state kinetics revealed an equilibrium between different preexisting isomers, one of which possessed a promiscuous, low-affinity binding site for aromatic ligands, including the immunizing hapten. A subsequent induced-fit isomerization led to high-affinity complexes with a deep and narrow binding site. A protein antigen identified by repertoire selection made use of an unrelated antibody isomer with a wide, shallow binding site. Conformational diversity, whereby one sequence adopts multiple structures and multiple functions, can increase the effective size of the antibody repertoire but may also lead to autoimmunity and allergy.
 
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Antibody multispecificity mediated by conformational diversity.,James LC, Roversi P, Tawfik DS Science. 2003 Feb 28;299(5611):1362-7. PMID:12610298<ref>PMID:12610298</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 1oax" style="background-color:#fffaf0;"></div>
 
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== References ==
 
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<references/>
 
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Lk3 transgenic mice]]
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[[Category: Mus musculus]]
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[[Category: James, L C]]
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[[Category: James LC]]
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[[Category: Roversi, P]]
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[[Category: Roversi P]]
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[[Category: Tawfik, D]]
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[[Category: Tawfik D]]
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[[Category: Allergy]]
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[[Category: Antibody]]
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[[Category: Antibody-complex]]
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[[Category: Ige]]
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[[Category: Immune system]]
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Revision as of 05:45, 17 April 2024

Fv Structure of the IgE SPE-7 in complex with acenaphthenequinone

PDB ID 1oax

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