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[[Image:1zea.gif|left|200px]]
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{{STRUCTURE_1zea|  PDB=1zea  |  SCENE=  }}
'''Structure of the anti-cholera toxin antibody Fab fragment TE33 in complex with a D-peptide'''


==Structure of the anti-cholera toxin antibody Fab fragment TE33 in complex with a D-peptide==
<StructureSection load='1zea' size='340' side='right'caption='[[1zea]], [[Resolution|resolution]] 1.78&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[1zea]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus] and [https://en.wikipedia.org/wiki/Synthetic_construct Synthetic construct]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ZEA OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1ZEA FirstGlance]. <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]] 1.78&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CIT:CITRIC+ACID'>CIT</scene>, <scene name='pdbligand=DAS:D-ASPARTIC+ACID'>DAS</scene>, <scene name='pdbligand=DGN:D-GLUTAMINE'>DGN</scene>, <scene name='pdbligand=DHI:D-HISTIDINE'>DHI</scene>, <scene name='pdbligand=DPR:D-PROLINE'>DPR</scene>, <scene name='pdbligand=DSN:D-SERINE'>DSN</scene>, <scene name='pdbligand=DTY:D-TYROSINE'>DTY</scene>, <scene name='pdbligand=DVA:D-VALINE'>DVA</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=1zea FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1zea OCA], [https://pdbe.org/1zea PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1zea RCSB], [https://www.ebi.ac.uk/pdbsum/1zea PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1zea ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/A2NHM3_MOUSE A2NHM3_MOUSE]
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ze/1zea_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </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/main_output.php?pdb_ID=1zea ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The structure of a complex of the anti-cholera toxin antibody TE33 Fab (fragment antibody) with the D-peptide vpGsqhyds was solved to 1.78 A resolution. The D-peptide was derived from the linear L-peptide epitope VPGSQHIDS by a stepwise transformation. Despite the very similar amino acid sequence-the only difference is a tyrosine residue in position 7-there are marked differences in the individual positions with respect to their contribution to the peptide overall affinity as ascertained by a complete substitutional analysis. This is reflected by the X-ray structure of the TE33 Fab/D-peptide complex where there is an inverted orientation of the D-peptide as compared with the known structure of a corresponding complex containing the epitope L-peptide, with the side chains establishing different contacts within the binding site of TE33. The D- and L-peptide affinities are comparable and the surface areas buried by complex formation are almost the same. Thus the antibody TE33 provides a typical example for polyspecific binding behavior of IgG family antibodies.


==Overview==
Structure of an anti-cholera toxin antibody Fab in complex with an epitope-derived D-peptide: a case of polyspecific recognition.,Scheerer P, Kramer A, Otte L, Seifert M, Wessner H, Scholz C, Krauss N, Schneider-Mergener J, Hohne W J Mol Recognit. 2007 Jul-Aug;20(4):263-74. PMID:17712773<ref>PMID:17712773</ref>
The structure of a complex of the anti-cholera toxin antibody TE33 Fab (fragment antibody) with the D-peptide vpGsqhyds was solved to 1.78 A resolution. The D-peptide was derived from the linear L-peptide epitope VPGSQHIDS by a stepwise transformation. Despite the very similar amino acid sequence-the only difference is a tyrosine residue in position 7-there are marked differences in the individual positions with respect to their contribution to the peptide overall affinity as ascertained by a complete substitutional analysis. This is reflected by the X-ray structure of the TE33 Fab/D-peptide complex where there is an inverted orientation of the D-peptide as compared with the known structure of a corresponding complex containing the epitope L-peptide, with the side chains establishing different contacts within the binding site of TE33. The D- and L-peptide affinities are comparable and the surface areas buried by complex formation are almost the same. Thus the antibody TE33 provides a typical example for polyspecific binding behavior of IgG family antibodies.


==About this Structure==
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ZEA OCA].
</div>
<div class="pdbe-citations 1zea" style="background-color:#fffaf0;"></div>


==Reference==
==See Also==
Structure of an anti-cholera toxin antibody Fab in complex with an epitope-derived D-peptide: a case of polyspecific recognition., Scheerer P, Kramer A, Otte L, Seifert M, Wessner H, Scholz C, Krauss N, Schneider-Mergener J, Hohne W, J Mol Recognit. 2007 Jul-Aug;20(4):263-74. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/17712773 17712773]
*[[Monoclonal Antibodies 3D structures|Monoclonal Antibodies 3D structures]]
[[Category: Hoehne, W.]]
== References ==
[[Category: Kramer, A.]]
<references/>
[[Category: Krauss, N.]]
__TOC__
[[Category: Otte, L.]]
</StructureSection>
[[Category: Scheerer, P.]]
[[Category: Large Structures]]
[[Category: Schneider-Mergener, J.]]
[[Category: Mus musculus]]
[[Category: Scholz, C.]]
[[Category: Synthetic construct]]
[[Category: Seifert, M.]]
[[Category: Hoehne W]]
[[Category: Wessner, H.]]
[[Category: Kramer A]]
[[Category: Anti-cholera toxin]]
[[Category: Krauss N]]
[[Category: Antigen recognition]]
[[Category: Otte L]]
[[Category: Antigen-antibody complex]]
[[Category: Scheerer P]]
[[Category: Cross-reactivity]]
[[Category: Schneider-Mergener J]]
[[Category: Polyspecificity]]
[[Category: Scholz C]]
[[Category: Substitution matrix]]
[[Category: Seifert M]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May  3 17:31:12 2008''
[[Category: Wessner H]]

Latest revision as of 08:58, 6 November 2024

Structure of the anti-cholera toxin antibody Fab fragment TE33 in complex with a D-peptide

1zea, resolution 1.78Å

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