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[[Image:335d.gif|left|200px]]


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==THE CRYSTAL STRUCTURE OF THE DNA DECAMER D(GGCAATTGCG) CONTAINS BOTH MAJOR AND MINOR GROOVE BINDING G.(G.C) TRIPLETS==
The line below this paragraph, containing "STRUCTURE_335d", creates the "Structure Box" on the page.
<StructureSection load='335d' size='340' side='right'caption='[[335d]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
You may change the PDB parameter (which sets the PDB file loaded into the applet)
== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[335d]] is a 1 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=335D OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=335D FirstGlance]. <br>
or leave the SCENE parameter empty for the default display.
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.4&#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=MG:MAGNESIUM+ION'>MG</scene></td></tr>
{{STRUCTURE_335d|  PDB=335d  |  SCENE= }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=335d FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=335d OCA], [https://pdbe.org/335d PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=335d RCSB], [https://www.ebi.ac.uk/pdbsum/335d PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=335d ProSAT]</span></td></tr>
 
</table>
'''THE CRYSTAL STRUCTURE OF THE DNA DECAMER D(GGCAATTGCG) CONTAINS BOTH MAJOR AND MINOR GROOVE BINDING G.(G.C) TRIPLETS'''
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</StructureSection>
 
[[Category: Large Structures]]
==Overview==
[[Category: Neidle S]]
The crystal structure of the decamer d(GGCAATTGCG) has been determined at 2.4 A resolution. The central eight bases of each DNA single-strand base pair with a self-complementary strand to form an octamer B-DNA duplex. These duplexes lie end-to-end within the unit cell. The terminal 5'-G and G-3' bases of each decamer strand are unpaired, and interact with the neighbouring duplexes via interactions within both the major and minor groove. This results in base triplets of the type G-(G.C) and G*(G.C), with the third guanine base binding to a Watson-Crick G.C base pair from the major groove and the minor groove, respectively. The triplet interaction of the type G-(G.C) involves Hoogsteen hydrogen-bonding interactions between the two guanine bases. The minor- and major-groove base triplet interactions which exist within this structure act to stabilize the d(GCAATTGC)2 B-DNA octamer duplex.
[[Category: Nunn CM]]
 
==About this Structure==
Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=335D OCA].  
 
==Reference==
Structure of the DNA decamer d(GGCAATTGCG) contains both major- and minor-groove binding G.(G.C) base triplets., Nunn CM, Neidle S, Acta Crystallogr D Biol Crystallogr. 1998 Jul 1;54(Pt 4):577-83. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/9761852 9761852]
[[Category: Neidle, S.]]
[[Category: Nunn, C M.]]
[[Category: A-dna]]
[[Category: Double helix]]
[[Category: Flipped-out base]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May  4 20:16:17 2008''
Retrieved from "https://proteopedia.org/335d"