1kfa

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[[Image:1kfa.png|left|200px]]
 
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{{STRUCTURE_1kfa| PDB=1kfa | SCENE= }}
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==Crystal structure of Fab fragment complexed with gibberellin A4==
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<StructureSection load='1kfa' size='340' side='right'caption='[[1kfa]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1kfa]] 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=1KFA OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1KFA FirstGlance]. <br>
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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]] 2.8&#8491;</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=GA4:GIBBERELLIN+A4'>GA4</scene></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=1kfa FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1kfa OCA], [https://pdbe.org/1kfa PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1kfa RCSB], [https://www.ebi.ac.uk/pdbsum/1kfa PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1kfa ProSAT]</span></td></tr>
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</table>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/kf/1kfa_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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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=1kfa ConSurf].
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<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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Gibberellins, a class of plant hormones, consist of more than 120 members. Only a few of them are recognized by a receptor that remains unknown. The haptenic mouse monoclonal antibody, 4-B8(8)/E9, was generated against gibberellin A(4) (GA(4)) to recognize biologically active GA selectivity, and we attempted to confirm the binding properties between the antibody and GA(4). We carried out an X-ray crystallographic analysis of the 4-B8(8)/E9 Fab fragment complexed with GA(4) at a 2.8 A resolution by using the molecular replacement method. The crystal structure of the Fab fragment showed the typical immunoglobulin fold of the beta-barrel structure which is the common motif of all antibodies. A small hapten-combining site was made up of three heavy chain CDR loops. On the other hand, CDRs of the light chain did not interact directly with GA(4). The C/D rings of the GA(4) molecule were in van der Waals contact mainly with the aromatic side chain of Tyr100AH and Phe100BH of CDR-H3. The 3 beta-hydroxyl and 6 beta-carboxyl groups were, respectively, hydrogen-bonded to the main chain of Ala33H and to the Thr53H heavy chain.
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===Crystal structure of Fab fragment complexed with gibberellin A4===
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Crystal structure of the liganded anti-gibberellin A(4) antibody 4-B8(8)/E9 Fab fragment.,Murata T, Fushinobu S, Nakajima M, Asami O, Sassa T, Wakagi T, Yamaguchi I Biochem Biophys Res Commun. 2002 Apr 26;293(1):489-96. PMID:12054627<ref>PMID:12054627</ref>
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{{ABSTRACT_PUBMED_12054627}}
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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 1kfa" style="background-color:#fffaf0;"></div>
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==About this Structure==
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==See Also==
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[[1kfa]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1KFA OCA].
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*[[Monoclonal Antibodies 3D structures|Monoclonal Antibodies 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:012054627</ref><references group="xtra"/>
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__TOC__
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[[Category: Homo sapiens]]
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</StructureSection>
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[[Category: Asami, O.]]
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[[Category: Large Structures]]
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[[Category: Fushinobu, S.]]
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[[Category: Mus musculus]]
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[[Category: Murata, T.]]
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[[Category: Asami O]]
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[[Category: Nakajima, M.]]
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[[Category: Fushinobu S]]
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[[Category: Sassa, T.]]
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[[Category: Murata T]]
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[[Category: Wakagi, T.]]
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[[Category: Nakajima M]]
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[[Category: Yamaguchi, I.]]
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[[Category: Sassa T]]
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[[Category: Immune system]]
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[[Category: Wakagi T]]
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[[Category: Immunoglobuiln fold]]
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[[Category: Yamaguchi I]]

Current revision

Crystal structure of Fab fragment complexed with gibberellin A4

PDB ID 1kfa

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