1san

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[[Image:1san.png|left|200px]]
 
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==THE DES(1-6)ANTENNAPEDIA HOMEODOMAIN: COMPARISON OF THE NMR SOLUTION STRUCTURE AND THE DNA BINDING AFFINITY WITH THE INTACT ANTENNAPEDIA HOMEODOMAIN==
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The line below this paragraph, containing "STRUCTURE_1san", creates the "Structure Box" on the page.
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<StructureSection load='1san' size='340' side='right'caption='[[1san]]' scene=''>
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1san]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Drosophila_melanogaster Drosophila melanogaster]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SAN OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1SAN 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">Solution NMR</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=1san FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1san OCA], [https://pdbe.org/1san PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1san RCSB], [https://www.ebi.ac.uk/pdbsum/1san PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1san ProSAT]</span></td></tr>
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{{STRUCTURE_1san| PDB=1san | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/ANTP_DROME ANTP_DROME] Sequence-specific transcription factor which is part of a developmental regulatory system that regulates segmental identity in the mesothorax. Provides cells with specific positional identities on the anterior-posterior axis.
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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/sa/1san_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.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=1san 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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The nuclear magnetic resonance (NMR) solution structure of an N-terminally truncated mutant Antennapedia homeodomain, des(1-6)Antp(C39S), has been determined from 935 nuclear Overhauser effect upper distance constraints and 148 dihedral angle constraints by using the programs DIANA and OPAL. Twenty conformers representing the solution structure of des(1-6)Antp(C39S) have an average root-mean-square distance relative to the mean coordinates of 0.56 A for the backbone atoms of residues 8-59. Comparison with the intact Antp(C39S) homeodomain shows that the two proteins have identical molecular architectures. The removal of the N-terminal residues 1-6, which are flexibly disordered in the intact homeodomain, causes only strictly localized structure variations and does not noticeably affect the adjoining helix I from residues 10-21. The DNA-binding constant of des(1-6)Antp(C39S) is approximately 10-fold reduced relative to the intact Antp(C39S) homeodomain, which can now be attributed to the absence of the previously reported contacts of the N-terminal polypeptide segment of the intact Antp(C39S) homeodomain with the minor groove of the DNA duplex.
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===THE DES(1-6)ANTENNAPEDIA HOMEODOMAIN: COMPARISON OF THE NMR SOLUTION STRUCTURE AND THE DNA BINDING AFFINITY WITH THE INTACT ANTENNAPEDIA HOMEODOMAIN===
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The des(1-6)antennapedia homeodomain: comparison of the NMR solution structure and the DNA-binding affinity with the intact Antennapedia homeodomain.,Qian YQ, Resendez-Perez D, Gehring WJ, Wuthrich K Proc Natl Acad Sci U S A. 1994 Apr 26;91(9):4091-5. PMID:7909611<ref>PMID:7909611</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 class="pdbe-citations 1san" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 7909611 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_7909611}}
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__TOC__
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</StructureSection>
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==About this Structure==
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1SAN is a 1 chain structure of sequence from [http://en.wikipedia.org/wiki/Drosophila_melanogaster Drosophila melanogaster]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SAN OCA].
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==Reference==
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<ref group="xtra">PMID:7909611</ref><references group="xtra"/>
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[[Category: Drosophila melanogaster]]
[[Category: Drosophila melanogaster]]
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[[Category: Gehring, W J.]]
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[[Category: Large Structures]]
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[[Category: Qian, Y Q.]]
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[[Category: Gehring WJ]]
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[[Category: Resendez-Perez, D.]]
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[[Category: Qian YQ]]
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[[Category: Wuthrich, K.]]
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[[Category: Resendez-Perez D]]
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[[Category: Dna-binding protein]]
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[[Category: Wuthrich K]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Feb 17 09:50:23 2009''
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Current revision

THE DES(1-6)ANTENNAPEDIA HOMEODOMAIN: COMPARISON OF THE NMR SOLUTION STRUCTURE AND THE DNA BINDING AFFINITY WITH THE INTACT ANTENNAPEDIA HOMEODOMAIN

PDB ID 1san

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