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296d

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[[Image:296d.png|left|200px]]
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==SEQUENCE-DEPENDENT EFFECTS IN DRUG-DNA INTERACTION: THE CRYSTAL STRUCTURE OF HOECHST 33258 BOUND TO THE D(CGCAAATTTGCG)2 DUPLEX==
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<StructureSection load='296d' size='340' side='right' caption='[[296d]], [[Resolution|resolution]] 2.25&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[296d]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=296D OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=296D FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=HT:2-(4-HYDROXYPHENYL)-5-(4-METHYL-1-PIPERAZINYL)-2,5-BI-BENZIMIDAZOLE'>HT</scene></td></tr>
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<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=296d FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=296d OCA], [http://www.rcsb.org/pdb/explore.do?structureId=296d RCSB], [http://www.ebi.ac.uk/pdbsum/296d PDBsum]</span></td></tr>
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</table>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The bis-benzimidazole drug Hoechst 33258 has been co-crystallized with the dodecanucleotide sequence d(CGCAAATTTGCG)2. The structure has been solved by molecular replacement and refined to an R factor of 18.5% for 2125 reflections collected on a Xentronics area detector. The drug is bound in the minor groove, at the five base-pair site 5'-ATTTG and is in a unique orientation. This is displaced by one base pair in the 5' direction compared to previously-determined structures of this drug with the sequence d(CGCGAATTCGCG)2. Reasons for this difference in behaviour are discussed in terms of several sequence-dependent structural features of the DNA, with particular reference to differences in propeller twist and minor-groove width.
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{{STRUCTURE_296d| PDB=296d | SCENE= }}
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Sequence-dependent effects in drug-DNA interaction: the crystal structure of Hoechst 33258 bound to the d(CGCAAATTTGCG)2 duplex.,Spink N, Brown DG, Skelly JV, Neidle S Nucleic Acids Res. 1994 May 11;22(9):1607-12. PMID:7515488<ref>PMID:7515488</ref>
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===SEQUENCE-DEPENDENT EFFECTS IN DRUG-DNA INTERACTION: THE CRYSTAL STRUCTURE OF HOECHST 33258 BOUND TO THE D(CGCAAATTTGCG)2 DUPLEX===
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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_7515488}}
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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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[[296d]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=296D OCA].
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</StructureSection>
[[Category: Brown, D G.]]
[[Category: Brown, D G.]]
[[Category: Neidle, S.]]
[[Category: Neidle, S.]]

Revision as of 08:34, 8 October 2014

SEQUENCE-DEPENDENT EFFECTS IN DRUG-DNA INTERACTION: THE CRYSTAL STRUCTURE OF HOECHST 33258 BOUND TO THE D(CGCAAATTTGCG)2 DUPLEX

296d, resolution 2.25Å

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