1ilc

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[[Image:1ilc.gif|left|200px]]
 
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==DNA Bending by an Adenine-Thymine Tract and Its Role in Gene Regulation.==
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The line below this paragraph, containing "STRUCTURE_1ilc", creates the "Structure Box" on the page.
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<StructureSection load='1ilc' size='340' side='right'caption='[[1ilc]], [[Resolution|resolution]] 2.20&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'>[[1ilc]] is a 6 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ILC OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1ILC 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]] 2.2&#8491;</td></tr>
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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=1ilc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ilc OCA], [https://pdbe.org/1ilc PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1ilc RCSB], [https://www.ebi.ac.uk/pdbsum/1ilc PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1ilc ProSAT]</span></td></tr>
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{{STRUCTURE_1ilc| PDB=1ilc | SCENE= }}
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</table>
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__TOC__
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'''DNA Bending by an Adenine-Thymine Tract and Its Role in Gene Regulation.'''
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</StructureSection>
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[[Category: Large Structures]]
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[[Category: Frolow F]]
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==Overview==
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[[Category: Hizver J]]
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To gain insight into the structural basis of DNA bending by adenine-thymine tracts (A-tracts) and their role in DNA recognition by gene-regulatory proteins, we have determined the crystal structure of the high-affinity DNA target of the cancer-associated human papillomavirus E2 protein. The three independent B-DNA molecules of the crystal structure determined at 2.2-A resolution are examples of A-tract-containing helices where the global direction and magnitude of curvature are in accord with solution data, thereby providing insights, at the base pair level, into the mechanism of DNA bending by such sequence motifs. A comparative analysis of E2-DNA conformations with respect to other structural and biochemical studies demonstrates that (i) the A-tract structure of the core region, which is not contacted by the protein, is critical for the formation of the high-affinity sequence-specific protein-DNA complex, and (ii) differential binding affinity is regulated by the intrinsic structure and deformability encoded in the base sequence of the DNA target.
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[[Category: Rabinovich D]]
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[[Category: Rozenberg H]]
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==About this Structure==
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[[Category: Shakked Z]]
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Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ILC OCA].
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==Reference==
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DNA bending by an adenine--thymine tract and its role in gene regulation., Hizver J, Rozenberg H, Frolow F, Rabinovich D, Shakked Z, Proc Natl Acad Sci U S A. 2001 Jul 17;98(15):8490-5. Epub 2001 Jul 3. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/11438706 11438706]
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[[Category: Frolow, F.]]
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[[Category: Hizver, J.]]
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[[Category: Rabinovich, D.]]
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[[Category: Rozenberg, H.]]
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[[Category: Shakked, Z.]]
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[[Category: B-dna double helix]]
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[[Category: Dodecamer duplex]]
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[[Category: Hpv e2 dna target]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 20:07:29 2008''
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Current revision

DNA Bending by an Adenine-Thymine Tract and Its Role in Gene Regulation.

PDB ID 1ilc

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