1d58

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[[Image:1d58.gif|left|200px]]
 
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==THE MOLECULAR STRUCTURE OF A 4'-EPIADRIAMYCIN COMPLEX WITH D(TGATCA) AT 1.7 ANGSTROM RESOLUTION-COMPARISON WITH THE STRUCTURE OF 4'-EPIADRIAMYCIN D(TGTACA) AND D(CGATCG) COMPLEXES==
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The line below this paragraph, containing "STRUCTURE_1d58", creates the "Structure Box" on the page.
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<StructureSection load='1d58' size='340' side='right'caption='[[1d58]], [[Resolution|resolution]] 1.70&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1d58]] is a 1 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1D58 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1D58 FirstGlance]. <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]] 1.7&#8491;</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=DM6:4-EPIDOXORUBICIN'>DM6</scene></td></tr>
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{{STRUCTURE_1d58| PDB=1d58 | SCENE= }}
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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=1d58 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1d58 OCA], [https://pdbe.org/1d58 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1d58 RCSB], [https://www.ebi.ac.uk/pdbsum/1d58 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1d58 ProSAT]</span></td></tr>
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</table>
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'''THE MOLECULAR STRUCTURE OF A 4'-EPIADRIAMYCIN COMPLEX WITH D(TGATCA) AT 1.7 ANGSTROM RESOLUTION-COMPARISON WITH THE STRUCTURE OF 4'-EPIADRIAMYCIN D(TGTACA) AND D(CGATCG) COMPLEXES'''
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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: Brown T]]
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The structure of the complex between d(TGATCA) and the anthracycline 4'-epiadriamycin has been determined by crystallographic methods. The crystals are tetragonal, space group P4(1)2(1)2 with unit cell dimensions of a = 28.01, c = 52.95A. The asymmetric unit consists of one strand of hexanucleotide, one molecule of 4'-epiadriamycin and 34 waters. The R-factor is 20.2% for 1694 reflections with F greater than or equal to 2 sigma F to 1.7A. Two asymmetric units associate to generate a duplex complexed with two drug molecules at the d(TpG) steps of the duplex. The chromophore intercalates between these base pairs with the anthracycline amino-sugar positioned in the minor groove. The double helix is a distorted B-DNA type structure. Our structure determination of d(TGATCA) complexed to 4'-epiadriamycin allows for comparison with the previously reported structures of 4'-epiadriamycin bound to d(TGTACA) and to d(CGATCG). The three complexes are similar in gross features and the intercalation geometry is the same irrespective of whether a d(CpG) or d(TpG) sequence is involved. However, the orientation of the amino-sugar displays a dependence on the sequence adjacent to the intercalation site. The flexibility of this amino-sugar may help explain why this class of antibiotics displays a relative insensitivity to base sequence when they bind to DNA.
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[[Category: Gallois B]]
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[[Category: Hunter WN]]
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==About this Structure==
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[[Category: Langlois D'Estaintot B]]
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Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1D58 OCA].
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==Reference==
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The molecular structure of a 4'-epiadriamycin complex with d(TGATCA) at 1.7A resolution: comparison with the structure of 4'-epiadriamycin d(TGTACA) and d(CGATCG) complexes., Langlois d'Estaintot B, Gallois B, Brown T, Hunter WN, Nucleic Acids Res. 1992 Jul 25;20(14):3561-6. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/1641324 1641324]
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[[Category: Brown, T.]]
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[[Category: Estaintot, B Langlois D.]]
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[[Category: Gallois, B.]]
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[[Category: Hunter, W N.]]
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[[Category: Complexed with drug]]
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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 Fri May 2 13:27:54 2008''
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Current revision

THE MOLECULAR STRUCTURE OF A 4'-EPIADRIAMYCIN COMPLEX WITH D(TGATCA) AT 1.7 ANGSTROM RESOLUTION-COMPARISON WITH THE STRUCTURE OF 4'-EPIADRIAMYCIN D(TGTACA) AND D(CGATCG) COMPLEXES

PDB ID 1d58

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