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2a8v

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[[Image:2a8v.gif|left|200px]]
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{{STRUCTURE_2a8v| PDB=2a8v | SCENE= }}
{{STRUCTURE_2a8v| PDB=2a8v | SCENE= }}
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'''RHO TRANSCRIPTION TERMINATION FACTOR/RNA COMPLEX'''
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===RHO TRANSCRIPTION TERMINATION FACTOR/RNA COMPLEX===
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==Overview==
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The E. coli Rho protein disengages newly transcribed RNA from its DNA template, helping terminate certain transcripts. We have determined the X-ray crystal structure of the RNA-binding domain of Rho complexed to an RNA ligand. Filters that screen both ligand size and chemical functionality line the primary nucleic acid-binding site, imparting sequence specificity to a generic single-stranded nucleic acid-binding fold and explaining the preference of Rho for cytosine-rich RNA. The crystal packing reveals two Rho domain protomers bound to a single RNA with a single base spacer, suggesting that the strong RNA-binding sites of Rho may arise from pairing of RNA-binding modules. Dimerization of symmetric subunits on an asymmetric ligand is developed as a model for allosteric control in the action of the intact Rho hexamer.
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(as it appears on PubMed at http://www.pubmed.gov), where 10230401 is the PubMed ID number.
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{{ABSTRACT_PUBMED_10230401}}
==About this Structure==
==About this Structure==
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[[Category: Rho]]
[[Category: Rho]]
[[Category: Single-stranded nucleic acid binding domain]]
[[Category: Single-stranded nucleic acid binding domain]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 18:45:25 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Jul 27 15:09:48 2008''

Revision as of 12:09, 27 July 2008

Image:2a8v.png

Template:STRUCTURE 2a8v

RHO TRANSCRIPTION TERMINATION FACTOR/RNA COMPLEX

Template:ABSTRACT PUBMED 10230401

About this Structure

2A8V is a Single protein structure of sequence from Escherichia coli. Full crystallographic information is available from OCA.

Reference

The structural basis for terminator recognition by the Rho transcription termination factor., Bogden CE, Fass D, Bergman N, Nichols MD, Berger JM, Mol Cell. 1999 Apr;3(4):487-93. PMID:10230401

Page seeded by OCA on Sun Jul 27 15:09:48 2008

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