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378d

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[[Image:378d.gif|left|200px]]
 
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{{Structure
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==STRUCTURE OF THE SIDE-BY-SIDE BINDING OF DISTAMYCIN TO DNA==
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|PDB= 378d |SIZE=350|CAPTION= <scene name='initialview01'>378d</scene>, resolution 2.400&Aring;
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<StructureSection load='378d' size='340' side='right'caption='[[378d]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=DA:2&#39;-DEOXYADENOSINE-5&#39;-MONOPHOSPHATE'>DA</scene>, <scene name='pdbligand=DC:2&#39;-DEOXYCYTIDINE-5&#39;-MONOPHOSPHATE'>DC</scene>, <scene name='pdbligand=DG:2&#39;-DEOXYGUANOSINE-5&#39;-MONOPHOSPHATE'>DG</scene>, <scene name='pdbligand=DMY:DISTAMYCIN+A'>DMY</scene>, <scene name='pdbligand=DT:THYMIDINE-5&#39;-MONOPHOSPHATE'>DT</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene>
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<table><tr><td colspan='2'>[[378d]] is a 4 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=378D OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=378D 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]] 2.4&#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=DMY:DISTAMYCIN+A'>DMY</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene></td></tr>
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|DOMAIN=
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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=378d FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=378d OCA], [https://pdbe.org/378d PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=378d RCSB], [https://www.ebi.ac.uk/pdbsum/378d PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=378d ProSAT]</span></td></tr>
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|RELATEDENTRY=
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=378d FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=378d OCA], [http://www.ebi.ac.uk/pdbsum/378d PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=378d RCSB]</span>
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__TOC__
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}}
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</StructureSection>
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[[Category: Large Structures]]
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'''STRUCTURE OF THE SIDE-BY-SIDE BINDING OF DISTAMYCIN TO DNA'''
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[[Category: Mitra SN]]
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[[Category: Sundaralingam M]]
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[[Category: Wahl MC]]
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==Overview==
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The 2.40 A resolution crystal structure of a side-by-side binding of distamycin A molecules to a DNA octamer d(GTATATAC)2 with an extended alternating TA sequence has been determined. The unit-cell parameters are a = 29.55, b = 42.18, c = 43.38 A, beta = 96.56 degrees, space group P21, with two molecules in the asymmetric unit, in contrast to all previous side-by-side distamycin-DNA complexes which have only a single DNA strand and one drug molecule in the asymmetric unit. The structure was solved by the molecular-replacement method and refined to an R index of 21.0% using 3467 reflections [&gt;/= 2sigma(F)]. The minor grooves of the DNA molecules bind two side-by-side antiparallel staggered distamycins spanning about five base pairs and virtually covering the entire length of the DNA. The octamer duplexes exhibit low-high alternations in the helical twist, sugar puckering and the C-O3' and O3'-P torsion angles, similar to the earlier side-by-side complexes containing inosine bases. The molecules are stacked one over the other along the ac diagonal in an infinite pseudo-continuous helical column with no lateral interactions.
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==About this Structure==
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378D 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=378D OCA].
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==Reference==
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Structure of the side-by-side binding of distamycin to d(GTATATAC)2., Mitra SN, Wahl MC, Sundaralingam M, Acta Crystallogr D Biol Crystallogr. 1999 Mar;55(Pt 3):602-9. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/10089456 10089456]
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[[Category: Protein complex]]
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[[Category: Mitra, S N.]]
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[[Category: Sundaralingam, M.]]
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[[Category: Wahl, M C.]]
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[[Category: double drug in minor groove]]
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[[Category: double helix]]
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[[Category: right handed dna]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 05:21:56 2008''
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Current revision

STRUCTURE OF THE SIDE-BY-SIDE BINDING OF DISTAMYCIN TO DNA

PDB ID 378d

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