1a8v

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{{STRUCTURE_1a8v| PDB=1a8v | SCENE= }}
{{STRUCTURE_1a8v| PDB=1a8v | SCENE= }}
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'''STRUCTURE OF THE RNA-BINDING DOMAIN OF THE RHO TRANSCRIPTION TERMINATOR'''
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===STRUCTURE OF THE RNA-BINDING DOMAIN OF THE RHO TRANSCRIPTION TERMINATOR===
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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: Terminator]]
[[Category: Terminator]]
[[Category: Transcription termination]]
[[Category: Transcription termination]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 09:59:25 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jun 30 16:23:53 2008''

Revision as of 13:23, 30 June 2008

Image:1a8v.png

Template:STRUCTURE 1a8v

STRUCTURE OF THE RNA-BINDING DOMAIN OF THE RHO TRANSCRIPTION TERMINATOR

Template:ABSTRACT PUBMED 10230401

About this Structure

1A8V 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 Mon Jun 30 16:23:53 2008

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