408d

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==STRUCTURAL BASIS FOR RECOGNITION OF A-T AND T-A BASE PAIRS IN THE MINOR GROOVE OF B-DNA==
==STRUCTURAL BASIS FOR RECOGNITION OF A-T AND T-A BASE PAIRS IN THE MINOR GROOVE OF B-DNA==
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<StructureSection load='408d' size='340' side='right' caption='[[408d]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
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<StructureSection load='408d' size='340' side='right'caption='[[408d]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[408d]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=408D OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=408D FirstGlance]. <br>
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<table><tr><td colspan='2'>[[408d]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=408D OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=408D FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=IPY:IMIDAZOLE-PYRROLE+POLYAMIDE'>IPY</scene><br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.1&#8491;</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=408d FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=408d OCA], [http://www.rcsb.org/pdb/explore.do?structureId=408d RCSB], [http://www.ebi.ac.uk/pdbsum/408d PDBsum]</span></td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=IPY:IMIDAZOLE-PYRROLE+POLYAMIDE'>IPY</scene></td></tr>
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<table>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=408d FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=408d OCA], [https://pdbe.org/408d PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=408d RCSB], [https://www.ebi.ac.uk/pdbsum/408d PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=408d ProSAT]</span></td></tr>
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<div style="background-color:#fffaf0;">
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</table>
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== Publication Abstract from PubMed ==
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Polyamide dimers containing three types of aromatic rings-pyrrole, imidazole, and hydroxypyrrole-afford a small-molecule recognition code that discriminates among all four Watson-Crick base pairs in the minor groove. The crystal structure of a specific polyamide dimer-DNA complex establishes the structural basis for distinguishing T.A from A.T base pairs. Specificity for the T.A base pair is achieved by means of distinct hydrogen bonds between pairs of substituted pyrroles on the ligand and the O2 of thymine and N3 of adenine. In addition, shape-selective recognition of an asymmetric cleft between the thymine-O2 and the adenine-C2 was observed. Although hitherto similarities among the base pairs in the minor groove have been emphasized, the structure illustrates differences that allow specific minor groove recognition.
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A structural basis for recognition of A.T and T.A base pairs in the minor groove of B-DNA.,Kielkopf CL, White S, Szewczyk JW, Turner JM, Baird EE, Dervan PB, Rees DC Science. 1998 Oct 2;282(5386):111-5. PMID:9756473<ref>PMID:9756473</ref>
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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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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Baird, E E.]]
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[[Category: Large Structures]]
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[[Category: Dervan, P B.]]
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[[Category: Baird EE]]
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[[Category: Kielkopf, C L.]]
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[[Category: Dervan PB]]
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[[Category: Rees, D C.]]
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[[Category: Kielkopf CL]]
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[[Category: Szewczyk, J W.]]
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[[Category: Rees DC]]
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[[Category: Turner, J M.]]
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[[Category: Szewczyk JW]]
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[[Category: White, S.]]
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[[Category: Turner JM]]
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[[Category: Dna]]
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[[Category: White S]]
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[[Category: Drug in the dna minor groove]]
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Current revision

STRUCTURAL BASIS FOR RECOGNITION OF A-T AND T-A BASE PAIRS IN THE MINOR GROOVE OF B-DNA

PDB ID 408d

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