3a03: Difference between revisions

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<StructureSection load='3a03' size='340' side='right'caption='[[3a03]], [[Resolution|resolution]] 1.54&Aring;' scene=''>
<StructureSection load='3a03' size='340' side='right'caption='[[3a03]], [[Resolution|resolution]] 1.54&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[3a03]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3A03 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3A03 FirstGlance]. <br>
<table><tr><td colspan='2'>[[3a03]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3A03 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3A03 FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.54&#8491;</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[3a01|3a01]], [[3a02|3a02]]</div></td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">TLX2, HOX11L1, NCX ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</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=3a03 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3a03 OCA], [https://pdbe.org/3a03 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3a03 RCSB], [https://www.ebi.ac.uk/pdbsum/3a03 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3a03 ProSAT]</span></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=3a03 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3a03 OCA], [https://pdbe.org/3a03 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3a03 RCSB], [https://www.ebi.ac.uk/pdbsum/3a03 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3a03 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[https://www.uniprot.org/uniprot/TLX2_HUMAN TLX2_HUMAN]] Transcription activator that binds DNA elements with the consensus sequence 5'-CGGTAATTGG-3'. Binds DNA via its homeobox. Required for normal cell death of enteric neurons in the gastrointestinal tract. Required for normal development of the enteric nervous system, and for proper development of normal motility of the gastrointestinal tract (By similarity).  
[https://www.uniprot.org/uniprot/TLX2_HUMAN TLX2_HUMAN] Transcription activator that binds DNA elements with the consensus sequence 5'-CGGTAATTGG-3'. Binds DNA via its homeobox. Required for normal cell death of enteric neurons in the gastrointestinal tract. Required for normal development of the enteric nervous system, and for proper development of normal motility of the gastrointestinal tract (By similarity).
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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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=3a03 ConSurf].
</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=3a03 ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
To achieve accurate gene regulation, some homeodomain proteins bind cooperatively to DNA to increase those site specificities. We report a ternary complex structure containing two homeodomain proteins, aristaless (Al) and clawless (Cll), bound to DNA. Our results show that the extended conserved sequences of the Cll homeodomain are indispensable to cooperative DNA binding. In the Al-Cll-DNA complex structure, the residues in the extended regions are used not only for the intermolecular contacts between the two homeodomain proteins but also for the sequence-recognition mechanism of DNA by direct interactions. The residues in the extended N-terminal arm lie within the minor groove of DNA to form direct interactions with bases, whereas the extended conserved region of the C-terminus of the homeodomain interacts with Al to stabilize and localize the third alpha helix of the Cll homeodomain. This structure suggests a novel mode for the cooperativity of homeodomain proteins.
Cooperative DNA-binding and sequence-recognition mechanism of aristaless and clawless.,Miyazono K, Zhi Y, Takamura Y, Nagata K, Saigo K, Kojima T, Tanokura M EMBO J. 2010 May 5;29(9):1613-23. Epub 2010 Apr 13. PMID:20389279<ref>PMID:20389279</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 3a03" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
*[[Hox protein|Hox protein]]
*[[Hox protein|Hox protein]]
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Human]]
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Kojima, T]]
[[Category: Kojima T]]
[[Category: Miyazono, K]]
[[Category: Miyazono K]]
[[Category: Nagata, K]]
[[Category: Nagata K]]
[[Category: Saigo, K]]
[[Category: Saigo K]]
[[Category: Tanokura, M]]
[[Category: Tanokura M]]
[[Category: Developmental protein]]
[[Category: Dna-binding]]
[[Category: Gene regulation]]
[[Category: Homeobox]]
[[Category: Homeodomain]]
[[Category: Nucleus]]

Latest revision as of 13:59, 13 March 2024

Crystal structure of Hox11L1 homeodomain

3a03, resolution 1.54Å

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