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1dp7

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[[Image:1dp7.png|left|200px]]
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==COCRYSTAL STRUCTURE OF RFX-DBD IN COMPLEX WITH ITS COGNATE X-BOX BINDING SITE==
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<StructureSection load='1dp7' size='340' side='right' caption='[[1dp7]], [[Resolution|resolution]] 1.50&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1dp7]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1DP7 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1DP7 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=PEG:DI(HYDROXYETHYL)ETHER'>PEG</scene><br>
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<tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=BRU:5-BROMO-2-DEOXYURIDINE-5-MONOPHOSPHATE'>BRU</scene></td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1dp7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1dp7 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1dp7 RCSB], [http://www.ebi.ac.uk/pdbsum/1dp7 PDBsum]</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/dp/1dp7_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/chain_selection.php?pdb_ID=2ata 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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Regulatory factor X (RFX) proteins are transcriptional activators that recognize X-boxes (DNA of the sequence 5'-GTNRCC(0-3N)RGYAAC-3', where N is any nucleotide, R is a purine and Y is a pyrimidine) using a highly conserved 76-residue DNA-binding domain (DBD). DNA-binding defects in the protein RFX5 cause bare lymphocyte syndrome or major histocompatibility antigen class II deficiency. RFX1, -2 and -3 regulate expression of other medically important gene products (for example, interleukin-5 receptor alpha chain, IL-5R alpha). Fusions of the ligand-binding domain of the oestrogen receptor with the DBD of RFX4 occur in some human breast tumours. Here we present a 1.5 A-resolution structure of two copies of the DBD of human RFX1 (hRFX1) binding cooperatively to a symmetrical X-box. hRFX1 is an unusual member of the winged-helix subfamily of helix-turn-helix proteins because it uses a beta-hairpin (or wing) to recognize DNA instead of the recognition helix typical of helix-turn-helix proteins. A new model for interactions between linker histones and DNA is proposed.
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{{STRUCTURE_1dp7| PDB=1dp7 | SCENE= }}
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Structure of the winged-helix protein hRFX1 reveals a new mode of DNA binding.,Gajiwala KS, Chen H, Cornille F, Roques BP, Reith W, Mach B, Burley SK Nature. 2000 Feb 24;403(6772):916-21. PMID:10706293<ref>PMID:10706293</ref>
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===COCRYSTAL STRUCTURE OF RFX-DBD IN COMPLEX WITH ITS COGNATE X-BOX BINDING SITE===
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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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{{ABSTRACT_PUBMED_10706293}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[1dp7]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1DP7 OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:010706293</ref><ref group="xtra">PMID:015048824</ref><references group="xtra"/>
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[[Category: Burley, S K.]]
[[Category: Burley, S K.]]
[[Category: Chen, H.]]
[[Category: Chen, H.]]

Revision as of 06:34, 4 September 2014

COCRYSTAL STRUCTURE OF RFX-DBD IN COMPLEX WITH ITS COGNATE X-BOX BINDING SITE

1dp7, resolution 1.50Å

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