408d

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[[Image:408d.gif|left|200px]]
 
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{{Structure
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==STRUCTURAL BASIS FOR RECOGNITION OF A-T AND T-A BASE PAIRS IN THE MINOR GROOVE OF B-DNA==
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|PDB= 408d |SIZE=350|CAPTION= <scene name='initialview01'>408d</scene>, resolution 2.100&Aring;
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<StructureSection load='408d' size='340' side='right'caption='[[408d]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=IPY:IMIDAZOLE-PYRROLE POLYAMIDE'>IPY</scene>
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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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|ACTIVITY=
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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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|GENE=
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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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}}
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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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</table>
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'''STRUCTURAL BASIS FOR RECOGNITION OF A-T AND T-A BASE PAIRS IN THE MINOR GROOVE OF B-DNA'''
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
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==Overview==
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[[Category: Baird EE]]
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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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[[Category: Dervan PB]]
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[[Category: Kielkopf CL]]
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==About this Structure==
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[[Category: Rees DC]]
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408D is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/ ]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=408D OCA].
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[[Category: Szewczyk JW]]
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[[Category: Turner JM]]
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==Reference==
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[[Category: White S]]
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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:[http://www.ncbi.nlm.nih.gov/pubmed/9756473 9756473]
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[[Category: Protein complex]]
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[[Category: Baird, E E.]]
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[[Category: Dervan, P B.]]
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[[Category: Kielkopf, C L.]]
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[[Category: Rees, D C.]]
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[[Category: Szewczyk, J W.]]
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[[Category: Turner, J M.]]
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[[Category: White, S.]]
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[[Category: IPY]]
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[[Category: drug in the dna minor groove]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 19:07:57 2008''
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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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