198d

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[[Image:198d.png|left|200px]]
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==A TRIGONAL FORM OF THE IDARUBICIN-D(CGATCG) COMPLEX: CRYSTAL AND MOLECULAR STRUCTURE AT 2.0 ANGSTROMS RESOLUTION==
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<StructureSection load='198d' size='340' side='right' caption='[[198d]], [[Resolution|resolution]] 1.97&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[198d]] is a 4 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=198D OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=198D FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=DM5:IDARUBICIN'>DM5</scene>, <scene name='pdbligand=SPM:SPERMINE'>SPM</scene><br>
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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=198d FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=198d OCA], [http://www.rcsb.org/pdb/explore.do?structureId=198d RCSB], [http://www.ebi.ac.uk/pdbsum/198d 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 X-ray crystal structure of the complex between the anthracycline idarubicin and d(CGATCG) has been solved by molecular replacement and refined to a resolution of 2.0 A. The final R-factor is 0.19 for 3768 reflections with Fo &gt; or = 2 sigma (Fo). The complex crystallizes in the trigonal space group P31 with unit cell parameters a = b = 52.996(4), c = 33.065(2) A, alpha = beta = 90 degree, gamma = 120 degree. The asymmetric unit consists of two duplexes, each one being complexed with two idarubicin drugs intercalated at the CpG steps, one spermine and 160 water molecules. The molecular packing underlines major groove-major groove interactions between neighbouring helices, and an unusually low value of the occupied fraction of the unit cell due to a large solvent channel of approximately 30 A diameter. This is the first trigonal crystal form of a DNA-anthracycline complex. The structure is compared with the previously reported structure of the same complex crystallizing in a tetragonal form. The geometry of both the double helices and the intercalation site are conserved as are the intramolecular interactions despite the different crystal forms.
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{{STRUCTURE_198d| PDB=198d | SCENE= }}
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A trigonal form of the idarubicin:d(CGATCG) complex; crystal and molecular structure at 2.0 A resolution.,Dautant A, Langlois d'Estaintot B, Gallois B, Brown T, Hunter WN Nucleic Acids Res. 1995 May 25;23(10):1710-6. PMID:7784175<ref>PMID:7784175</ref>
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===A TRIGONAL FORM OF THE IDARUBICIN-D(CGATCG) COMPLEX: CRYSTAL AND MOLECULAR STRUCTURE AT 2.0 ANGSTROMS RESOLUTION===
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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_7784175}}
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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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[[198d]] is a 4 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=198D OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:007784175</ref><references group="xtra"/>
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[[Category: Brown, T.]]
[[Category: Brown, T.]]
[[Category: Dautant, A.]]
[[Category: Dautant, A.]]

Revision as of 05:41, 8 June 2014

A TRIGONAL FORM OF THE IDARUBICIN-D(CGATCG) COMPLEX: CRYSTAL AND MOLECULAR STRUCTURE AT 2.0 ANGSTROMS RESOLUTION

198d, resolution 1.97Å

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