1ofx

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==CRYSTAL STRUCTURE OF AN OKAZAKI FRAGMENT AT 2 ANGSTROMS RESOLUTION==
==CRYSTAL STRUCTURE OF AN OKAZAKI FRAGMENT AT 2 ANGSTROMS RESOLUTION==
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<StructureSection load='1ofx' size='340' side='right' caption='[[1ofx]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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<StructureSection load='1ofx' size='340' side='right'caption='[[1ofx]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1ofx]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1OFX OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1OFX FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1ofx]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1OFX OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1OFX FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=SPM:SPERMINE'>SPM</scene><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&#8491;</td></tr>
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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=1ofx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ofx OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1ofx RCSB], [http://www.ebi.ac.uk/pdbsum/1ofx PDBsum]</span></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=SPM:SPERMINE'>SPM</scene></td></tr>
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<table>
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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=1ofx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ofx OCA], [https://pdbe.org/1ofx PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1ofx RCSB], [https://www.ebi.ac.uk/pdbsum/1ofx PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1ofx ProSAT]</span></td></tr>
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<div style="background-color:#fffaf0;">
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</table>
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== Publication Abstract from PubMed ==
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In DNA replication, Okazaki fragments are formed as double-stranded intermediates during synthesis of the lagging strand. They are composed of the growing DNA strand primed by RNA and the template strand. The DNA oligonucleotide d(GGGTATACGC) and the chimeric RNA-DNA oligonucleotide r(GCG)d(TATACCC) were combined to form a synthetic Okazaki fragment and its three-dimensional structure was determined by x-ray crystallography. The fragment adopts an overall A-type conformation with 11 residues per turn. Although the base-pair geometry, particularly in the central TATA part, is distorted, there is no evidence for a transition from the A- to the B-type conformation at the junction between RNA.DNA hybrid and DNA duplex. The RNA trimer may, therefore, lock the complete fragment in an A-type conformation.
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Crystal structure of an Okazaki fragment at 2-A resolution.,Egli M, Usman N, Zhang SG, Rich A Proc Natl Acad Sci U S A. 1992 Jan 15;89(2):534-8. PMID:1370582<ref>PMID:1370582</ref>
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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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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Egli, M.]]
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[[Category: Large Structures]]
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[[Category: Rich, A.]]
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[[Category: Egli M]]
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[[Category: Usman, N.]]
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[[Category: Rich A]]
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[[Category: Zhang, S.]]
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[[Category: Usman N]]
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[[Category: A-dna/rna]]
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[[Category: Zhang S]]
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[[Category: Dna-rna hybrid]]
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[[Category: Double helix]]
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CRYSTAL STRUCTURE OF AN OKAZAKI FRAGMENT AT 2 ANGSTROMS RESOLUTION

PDB ID 1ofx

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