5oe1: Difference between revisions

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'''Unreleased structure'''


The entry 5oe1 is ON HOLD  until Paper Publication
==Im polyamide in complex with 5'CGATGTACATCG3'- hairpin polyamides studies==
<StructureSection load='5oe1' size='340' side='right'caption='[[5oe1]]' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[5oe1]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5OE1 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5OE1 FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=9T8:3-(3-azaniumylpropanoylamino)propyl-dimethyl-azanium'>9T8</scene>, <scene name='pdbligand=9TK:1-methylimidazole-2-carboxylic+acid'>9TK</scene>, <scene name='pdbligand=ABU:GAMMA-AMINO-BUTANOIC+ACID'>ABU</scene>, <scene name='pdbligand=DCZ:2-DEOXYCYTIDINE'>DCZ</scene>, <scene name='pdbligand=IMT:4-AMINO-(1-METHYLIMIDAZOLE)-2-CARBOXYLIC+ACID'>IMT</scene>, <scene name='pdbligand=PYB:4-AMINO-(1-METHYLPYRROLE)-2-CARBOXYLIC+ACID'>PYB</scene></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=5oe1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5oe1 OCA], [https://pdbe.org/5oe1 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5oe1 RCSB], [https://www.ebi.ac.uk/pdbsum/5oe1 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5oe1 ProSAT]</span></td></tr>
</table>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
This manuscript reports the molecular basis for double-stranded DNA (dsDNA) binding of hairpin polyamides incorporating a 5-alkyl thiazole (Nt) unit. Hairpin polyamides containing an N-terminal Nt unit induce higher melting stabilisation of target dsDNA sequences relative to an archetypical hairpin polyamide incorporating an N-terminal imidazole (Im) unit. However, modification of the N-terminus from Im to Nt-building blocks results in an increase in dsDNA binding affinity but lower G-selectivity. A general G-selectivity trend is observed for Nt-containing polyamide analogues. G-selectivity increases as the steric bulk in the Nt 5-position increases. Solution-based NMR structural studies reveal differences in the modulation of the target DNA duplex of Nt-containing hairpin polyamides relative to the Im-containing archetype. A structural hallmark of an Nt polyamide*dsDNA complex is a more significant degree of major groove compression of the target dsDNA sequence relative to the Im-containing hairpin polyamide.


Authors:  
Structural basis of DNA duplex distortion induced by thiazole-containing hairpin polyamides.,Padroni G, Parkinson JA, Fox KR, Burley GA Nucleic Acids Res. 2017 Nov 29. pii: 4670956. doi: 10.1093/nar/gkx1211. PMID:29194552<ref>PMID:29194552</ref>


Description:  
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
[[Category: Unreleased Structures]]
</div>
<div class="pdbe-citations 5oe1" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Burley GA]]
[[Category: Padroni G]]
[[Category: Parkinson J]]
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