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[[Image:1yuh.jpg|left|200px]]
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{{STRUCTURE_1yuh|  PDB=1yuh  |  SCENE=  }}
'''FAB FRAGMENT'''


==FAB FRAGMENT==
<StructureSection load='1yuh' size='340' side='right'caption='[[1yuh]], [[Resolution|resolution]] 3.00&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[1yuh]] is a 4 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=1YUH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1YUH 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]] 3&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=NP:4-HYDROXY-3-NITROPHENYLACETYL-EPSILON-AMINOCAPROIC+ACID'>NP</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=1yuh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1yuh OCA], [https://pdbe.org/1yuh PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1yuh RCSB], [https://www.ebi.ac.uk/pdbsum/1yuh PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1yuh ProSAT]</span></td></tr>
</table>
== 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/yu/1yuh_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=1yuh ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Affinity maturation of the immune response to nitrophenol-containing antigens has been extensively investigated. Significant strides made during the past several years with the advent of PCR technology have provided a wealth of biochemical knowledge. Structural investigations of the phenomena have however been limited. We have determined the three-dimensional structure of the Fab fragment of 88C6/12, an anti-4-hydroxy-3-nitrophenyl acetic acid antibody complexed with the immunizing hapten and with a heteroclitic iodinated hapten. The crystallographic structure of the complexes reveals that the binding is stabilized by a number of hydrogen bonds and extensive van der Waals interactions between the hapten and the antibody. In addition, the Fab binding pocket contains a region of positive electrostatic potential well suited for interaction with the predominant resonance form of the nitrophenyl ring system. The observed heteroclicity towards the iodinated hapten is not a direct result of iodine-protein interactions, but results from the enhanced stability in the iodinated ring of the resonance form that binds the antibody. In addition this investigation provides a rationale for the strong preference for the substitution in the heavy chain from the germ-line gene encoded Trp 33 to Leu 33 in the mature anti-nitrophenol response.


==Overview==
Structural analysis of affinity maturation: the three-dimensional structures of complexes of an anti-nitrophenol antibody.,Yuhasz SC, Parry C, Strand M, Amzel LM Mol Immunol. 1995 Oct;32(14-15):1143-55. PMID:8544863<ref>PMID:8544863</ref>
Affinity maturation of the immune response to nitrophenol-containing antigens has been extensively investigated. Significant strides made during the past several years with the advent of PCR technology have provided a wealth of biochemical knowledge. Structural investigations of the phenomena have however been limited. We have determined the three-dimensional structure of the Fab fragment of 88C6/12, an anti-4-hydroxy-3-nitrophenyl acetic acid antibody complexed with the immunizing hapten and with a heteroclitic iodinated hapten. The crystallographic structure of the complexes reveals that the binding is stabilized by a number of hydrogen bonds and extensive van der Waals interactions between the hapten and the antibody. In addition, the Fab binding pocket contains a region of positive electrostatic potential well suited for interaction with the predominant resonance form of the nitrophenyl ring system. The observed heteroclicity towards the iodinated hapten is not a direct result of iodine-protein interactions, but results from the enhanced stability in the iodinated ring of the resonance form that binds the antibody. In addition this investigation provides a rationale for the strong preference for the substitution in the heavy chain from the germ-line gene encoded Trp 33 to Leu 33 in the mature anti-nitrophenol response.


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


==Reference==
==See Also==
Structural analysis of affinity maturation: the three-dimensional structures of complexes of an anti-nitrophenol antibody., Yuhasz SC, Parry C, Strand M, Amzel LM, Mol Immunol. 1995 Oct;32(14-15):1143-55. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/8544863 8544863]
*[[Monoclonal Antibodies 3D structures|Monoclonal Antibodies 3D structures]]
[[Category: Protein complex]]
== References ==
[[Category: Amzel, L M.]]
<references/>
[[Category: Parry, C.]]
__TOC__
[[Category: Strand, M.]]
</StructureSection>
[[Category: Yuhasz, S C.]]
[[Category: Large Structures]]
[[Category: Anti-nitrophenol]]
[[Category: Mus musculus]]
[[Category: Immunoglobulin]]
[[Category: Amzel LM]]
[[Category: Lambda light chain]]
[[Category: Parry C]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May  3 16:48:23 2008''
[[Category: Strand M]]
[[Category: Yuhasz SC]]
Retrieved from "https://proteopedia.org/1yuh"