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1rxb

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[[Image:1rxb.gif|left|200px]]<br /><applet load="1rxb" size="350" color="white" frame="true" align="right" spinBox="true"
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[[Image:1rxb.gif|left|200px]]
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caption="1rxb, resolution 1.800&Aring;" />
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'''CRYSTAL STRUCTURE OF R(CCCCGGGG) IN TWO DISTINCT LATTICES'''<br />
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{{Structure
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|PDB= 1rxb |SIZE=350|CAPTION= <scene name='initialview01'>1rxb</scene>, resolution 1.800&Aring;
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|SITE=
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|LIGAND=
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|ACTIVITY=
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|GENE=
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}}
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'''CRYSTAL STRUCTURE OF R(CCCCGGGG) IN TWO DISTINCT LATTICES'''
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==Overview==
==Overview==
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==About this Structure==
==About this Structure==
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1RXB 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://oca.weizmann.ac.il/oca-bin/ocashort?id=1RXB OCA].
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1RXB is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/ ]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RXB OCA].
==Reference==
==Reference==
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The crystal structure of r(CCCCGGGG) in two distinct lattices., Portmann S, Usman N, Egli M, Biochemistry. 1995 Jun 13;34(23):7569-75. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=7779802 7779802]
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The crystal structure of r(CCCCGGGG) in two distinct lattices., Portmann S, Usman N, Egli M, Biochemistry. 1995 Jun 13;34(23):7569-75. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/7779802 7779802]
[[Category: Protein complex]]
[[Category: Protein complex]]
[[Category: Egli, M.]]
[[Category: Egli, M.]]
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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 Feb 21 14:55:31 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 13:57:28 2008''

Revision as of 11:57, 20 March 2008

Image:1rxb.gif


PDB ID 1rxb

Drag the structure with the mouse to rotate
, resolution 1.800Å
Coordinates: save as pdb, mmCIF, xml



CRYSTAL STRUCTURE OF R(CCCCGGGG) IN TWO DISTINCT LATTICES


Overview

The structure of the RNA octamer r(C4G4) has been determined in two different crystal forms. The conformations of the RNA duplex in the rhombohedral and hexagonal lattices display only minimal deviations, demonstrating that the RNA double helix is considerably less deformable than the DNA double helix. For the first time the crystal structures of an A-RNA and an A-DNA with identical sequence can now be compared. The large number of ordered water molecules observed in the minor groove of the RNA duplex suggests that an important contribution to its higher rigidity derives from the improved hydration due to the presence of the 2'-hydroxyl groups. Our finding that the conformation of the RNA double helix is virtually unaffected by different crystal packing modes provides evidence that proteins may not alter the conformation of RNA stem regions in a significant way.

About this Structure

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

Reference

The crystal structure of r(CCCCGGGG) in two distinct lattices., Portmann S, Usman N, Egli M, Biochemistry. 1995 Jun 13;34(23):7569-75. PMID:7779802

Page seeded by OCA on Thu Mar 20 13:57:28 2008

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