103d

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(New page: 200px<br /> <applet load="103d" size="450" color="white" frame="true" align="right" spinBox="true" caption="103d" /> '''THE UNUSUAL STRUCTURE OF THE HUMAN CENTROME...)
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[[Image:103d.gif|left|200px]]<br />
 
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<applet load="103d" size="450" color="white" frame="true" align="right" spinBox="true"
 
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caption="103d" />
 
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'''THE UNUSUAL STRUCTURE OF THE HUMAN CENTROMERE (GGA)2 MOTIF: UNPAIRED GUANOSINE RESIDUES STACKED BETWEEN SHEARED G(DOT)A PAIRS'''<br />
 
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==Overview==
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==THE UNUSUAL STRUCTURE OF THE HUMAN CENTROMERE (GGA)2 MOTIF: UNPAIRED GUANOSINE RESIDUES STACKED BETWEEN SHEARED G(DOT)A PAIRS==
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The centromere of human chromosomes contains multiple repeats of the DNA, sequence d(TGGAA)n. This sequence has the interesting property of pairing, with itself to form stable duplexes. We have determined the solution, structure of the unusual DNA duplex 5'-TGGAATGGAA:TGGAATGGAA-3' at atomic, resolution. The duplex contains unpaired staggered guanosine residues, which co-stack by intercalation between sheared G.A and A.G base-pairs to, form an interesting new structural motif, the GA-bracketed G-stack. The, TGGAA repeat unit contains six "steps", four of which are not Watson-Crick, base-pairs.
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<StructureSection load='103d' size='340' side='right'caption='[[103d]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[103d]] is a 2 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=103D OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=103D 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">Solution NMR</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=103d FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=103d OCA], [https://pdbe.org/103d PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=103d RCSB], [https://www.ebi.ac.uk/pdbsum/103d PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=103d ProSAT]</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 centromere of human chromosomes contains multiple repeats of the DNA sequence d(TGGAA)n. This sequence has the interesting property of pairing with itself to form stable duplexes. We have determined the solution structure of the unusual DNA duplex 5'-TGGAATGGAA:TGGAATGGAA-3' at atomic resolution. The duplex contains unpaired staggered guanosine residues, which co-stack by intercalation between sheared G.A and A.G base-pairs to form an interesting new structural motif, the GA-bracketed G-stack. The TGGAA repeat unit contains six "steps", four of which are not Watson-Crick base-pairs.
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==About this Structure==
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The unusual structure of the human centromere (GGA)2 motif. Unpaired guanosine residues stacked between sheared G.A pairs.,Chou SH, Zhu L, Reid BR J Mol Biol. 1994 Dec 2;244(3):259-68. PMID:7966337<ref>PMID:7966337</ref>
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103D is a [[http://en.wikipedia.org/wiki/Protein_complex Protein complex]] structure of sequences from [[http://en.wikipedia.org/wiki/ ]]. Full crystallographic information is available from [[http://ispc.weizmann.ac.il/oca-bin/ocashort?id= OCA]].
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==Reference==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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The unusual structure of the human centromere (GGA)2 motif. Unpaired guanosine residues stacked between sheared G.A pairs., Chou SH, Zhu L, Reid BR, J Mol Biol. 1994 Dec 2;244(3):259-68. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=7966337 7966337]
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</div>
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[[Category: Protein complex]]
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<div class="pdbe-citations 103d" style="background-color:#fffaf0;"></div>
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[[Category: Chou, S.H.]]
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== References ==
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[[Category: Reid, B.R.]]
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<references/>
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[[Category: Zhu, L.]]
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__TOC__
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[[Category: dna]]
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</StructureSection>
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[[Category: double helix]]
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[[Category: Large Structures]]
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[[Category: g-g stacking]]
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[[Category: Chou S-H]]
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[[Category: g:a mismatch]]
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[[Category: Reid BR]]
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[[Category: ga-bracketed g-stack motif]]
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[[Category: Zhu L]]
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[[Category: human centromere repeat]]
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[[Category: nmr]]
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''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Mon Oct 29 15:37:57 2007''
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THE UNUSUAL STRUCTURE OF THE HUMAN CENTROMERE (GGA)2 MOTIF: UNPAIRED GUANOSINE RESIDUES STACKED BETWEEN SHEARED G(DOT)A PAIRS

PDB ID 103d

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