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==Crystal structure of NKX2-5 and TBX5 bound to the Nppa promoter region==
==Crystal structure of NKX2-5 and TBX5 bound to the Nppa promoter region==
<StructureSection load='5flv' size='340' side='right' caption='[[5flv]], [[Resolution|resolution]] 3.00&Aring;' scene=''>
<StructureSection load='5flv' size='340' side='right' caption='[[5flv]], [[Resolution|resolution]] 3.00&Aring;' scene=''>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=PG4:TETRAETHYLENE+GLYCOL'>PG4</scene></td></tr>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=PG4:TETRAETHYLENE+GLYCOL'>PG4</scene></td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[5fm6|5fm6]], [[5fm7|5fm7]]</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[5fm6|5fm6]], [[5fm7|5fm7]]</td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5flv FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5flv OCA], [http://pdbe.org/5flv PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5flv RCSB], [http://www.ebi.ac.uk/pdbsum/5flv PDBsum]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5flv FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5flv OCA], [http://pdbe.org/5flv PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5flv RCSB], [http://www.ebi.ac.uk/pdbsum/5flv PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5flv ProSAT]</span></td></tr>
</table>
</table>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Transcription factors (TFs) are thought to function with partners to achieve specificity and precise quantitative outputs. In the developing heart, heterotypic TF interactions, such as between the T-box TF TBX5 and the homeodomain TF NKX2-5, have been proposed as a mechanism for human congenital heart defects. We report extensive and complex interdependent genomic occupancy of TBX5, NKX2-5, and the zinc finger TF GATA4 coordinately controlling cardiac gene expression, differentiation, and morphogenesis. Interdependent binding serves not only to co-regulate gene expression but also to prevent TFs from distributing to ectopic loci and activate lineage-inappropriate genes. We define preferential motif arrangements for TBX5 and NKX2-5 cooperative binding sites, supported at the atomic level by their co-crystal structure bound to DNA, revealing a direct interaction between the two factors and induced DNA bending. Complex interdependent binding mechanisms reveal tightly regulated TF genomic distribution and define a combinatorial logic for heterotypic TF regulation of differentiation.
Complex Interdependence Regulates Heterotypic Transcription Factor Distribution and Coordinates Cardiogenesis.,Luna-Zurita L, Stirnimann CU, Glatt S, Kaynak BL, Thomas S, Baudin F, Samee MA, He D, Small EM, Mileikovsky M, Nagy A, Holloway AK, Pollard KS, Muller CW, Bruneau BG Cell. 2016 Feb 25;164(5):999-1014. doi: 10.1016/j.cell.2016.01.004. Epub 2016 Feb, 11. PMID:26875865<ref>PMID:26875865</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 5flv" style="background-color:#fffaf0;"></div>
==See Also==
*[[T-box proteins|T-box proteins]]
== References ==
<references/>
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</StructureSection>
</StructureSection>

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