1d98

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|PDB= 1d98 |SIZE=350|CAPTION= <scene name='initialview01'>1d98</scene>, resolution 2.500&Aring;
|PDB= 1d98 |SIZE=350|CAPTION= <scene name='initialview01'>1d98</scene>, resolution 2.500&Aring;
|SITE=
|SITE=
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|LIGAND=
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|LIGAND= <scene name='pdbligand=DA:2&#39;-DEOXYADENOSINE-5&#39;-MONOPHOSPHATE'>DA</scene>, <scene name='pdbligand=DC:2&#39;-DEOXYCYTIDINE-5&#39;-MONOPHOSPHATE'>DC</scene>, <scene name='pdbligand=DG:2&#39;-DEOXYGUANOSINE-5&#39;-MONOPHOSPHATE'>DG</scene>, <scene name='pdbligand=DT:THYMIDINE-5&#39;-MONOPHOSPHATE'>DT</scene>
|ACTIVITY=
|ACTIVITY=
|GENE=
|GENE=
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|DOMAIN=
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|RELATEDENTRY=
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1d98 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1d98 OCA], [http://www.ebi.ac.uk/pdbsum/1d98 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1d98 RCSB]</span>
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[[Category: double helix]]
[[Category: double helix]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 10:34:48 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 19:37:02 2008''

Revision as of 16:37, 30 March 2008

Image:1d98.gif


PDB ID 1d98

Drag the structure with the mouse to rotate
, resolution 2.500Å
Ligands: , , ,
Resources: FirstGlance, OCA, PDBsum, RCSB
Coordinates: save as pdb, mmCIF, xml



THE STRUCTURE OF AN OLIGO(DA).OLIGO(DT) TRACT AND ITS BIOLOGICAL IMPLICATIONS


Overview

Poly(dA).poly(dT) has unusual properties in that it cannot associate into nucleosomes and short, phased runs of it cause DNA bending. The crystal structure of a B-type DNA dodecamer containing a homopolymeric run of six A.T base pairs shows that this region possesses special structural features, including a system of bifurcated hydrogen bonds, which explains some of the properties of this simple homopolymer.

About this Structure

1D98 is a Protein complex structure of sequences from [1]. Full crystallographic information is available from OCA.

Reference

The structure of an oligo(dA).oligo(dT) tract and its biological implications., Nelson HC, Finch JT, Luisi BF, Klug A, Nature. 1987 Nov 19-25;330(6145):221-6. PMID:3670410

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