115d: Difference between revisions
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== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[115d]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=115D OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=115D FirstGlance]. <br> | <table><tr><td colspan='2'>[[115d]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=115D OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=115D FirstGlance]. <br> | ||
</td></tr><tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=BRU:5-BROMO-2-DEOXYURIDINE-5-MONOPHOSPHATE'>BRU</scene></td></tr> | </td></tr><tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=BRU:5-BROMO-2-DEOXYURIDINE-5-MONOPHOSPHATE'>BRU</scene></td></tr> | ||
<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=115d FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=115d OCA], [http://www.rcsb.org/pdb/explore.do?structureId=115d RCSB], [http://www.ebi.ac.uk/pdbsum/115d PDBsum]</span></td></tr> | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=115d FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=115d OCA], [http://www.rcsb.org/pdb/explore.do?structureId=115d RCSB], [http://www.ebi.ac.uk/pdbsum/115d PDBsum]</span></td></tr> | ||
<table> | </table> | ||
<div style="background-color:#fffaf0;"> | <div style="background-color:#fffaf0;"> | ||
== Publication Abstract from PubMed == | == Publication Abstract from PubMed == | ||
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__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
[[Category: Cruse, W B.T | [[Category: Cruse, W B.T]] | ||
[[Category: Kennard, O | [[Category: Kennard, O]] | ||
[[Category: Nachman, J | [[Category: Nachman, J]] | ||
[[Category: Prange, T | [[Category: Prange, T]] | ||
[[Category: Rabinovich, D | [[Category: Rabinovich, D]] | ||
[[Category: Shakked, Z | [[Category: Shakked, Z]] | ||
[[Category: A-dna]] | [[Category: A-dna]] | ||
[[Category: Dna]] | [[Category: Dna]] | ||
[[Category: Double helix]] | [[Category: Double helix]] | ||
[[Category: Modified]] | [[Category: Modified]] | ||
Revision as of 14:49, 22 December 2014
ORDERED WATER STRUCTURE IN AN A-DNA OCTAMER AT 1.7 ANGSTROMS RESOLUTIONORDERED WATER STRUCTURE IN AN A-DNA OCTAMER AT 1.7 ANGSTROMS RESOLUTION
Structural highlights
Publication Abstract from PubMedThe crystal structure of the deoxyoctamer d(G-G-Br U-A-BrU-A-C-C) was refined to a resolution of 1.7 A using combined diffractometer and synchrotron data. The analysis was carried out independently in two laboratories using different procedures. Although the final results are identical the comparison of the two approaches highlights potential problems in the refinement of oligonucleotides when only limited data are available. As part of the analysis the positions of 84 solvent molecules in the asymmetric unit were established. The DNA molecule is highly solvated, particularly the phosphate-sugar back-bone and the functional groups of the bases. The major groove contains, in the central BrU-A-BrU-A region, a ribbon of water molecules forming closed pentagons with shared edges. These water molecules are linked to the base O and N atoms and to the solvent chains connecting the O-1 phosphate oxygen atoms on each strand. The minor groove is also extensively hydrated with a continuous network in the central region and other networks at each end. The pattern of hydration is briefly compared with that observed in the structure of a B-dodecamer. Ordered water structure in an A-DNA octamer at 1.7 A resolution.,Kennard O, Cruse WB, Nachman J, Prange T, Shakked Z, Rabinovich D J Biomol Struct Dyn. 1986 Feb;3(4):623-47. PMID:3271041[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. References |
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