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2nn6

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[[Image:2nn6.jpg|left|200px]]
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[[Image:2nn6.png|left|200px]]
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==Overview==
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{{ABSTRACT_17174896}}
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The RNA exosome is a multisubunit 3' to 5' exoribonuclease complex that participates in degradation and processing of cellular RNA. To determine the activities and structure of the eukaryotic exosome, we report the reconstitution of 9-subunit exosomes from yeast and human and reconstitution of 10- and 11-subunit exosomes from yeast. Comparative biochemical analysis between purified subunits and reconstituted exosomes using AU-rich, polyadenylated (poly[A]), generic, and structured RNA substrates reveals processive phosphorolytic activities for human Rrp41/Rrp45 and the 9-subunit human exosome, processive hydrolytic activities for yeast Rrp44 and the yeast 10-subunit exosome, distributive hydrolytic activities for Rrp6, and processive and distributive hydrolytic activities for the yeast 11-subunit exosome. To elucidate the architecture of a eukaryotic exosome, its conserved surfaces, and the structural basis for RNA decay, we report the X-ray structure determination for the 286 kDa nine-subunit human exosome at 3.35 A.
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==About this Structure==
==About this Structure==
2NN6 is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. The following page contains interesting information on the relation of 2NN6 with [[http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/pdb86_1.html Exosomes]]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2NN6 OCA].
2NN6 is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. The following page contains interesting information on the relation of 2NN6 with [[http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/pdb86_1.html Exosomes]]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2NN6 OCA].
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==Reference==
 
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Reconstitution, activities, and structure of the eukaryotic RNA exosome., Liu Q, Greimann JC, Lima CD, Cell. 2006 Dec 15;127(6):1223-37. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/17174896 17174896]
 
[[Category: Exosomes]]
[[Category: Exosomes]]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Ribonuclease]]
[[Category: Ribonuclease]]
[[Category: Rna]]
[[Category: Rna]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 09:39:32 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Jun 26 18:20:39 2008''

Revision as of 15:20, 26 June 2008

Image:2nn6.png

Template:STRUCTURE 2nn6

Structure of the human RNA exosome composed of Rrp41, Rrp45, Rrp46, Rrp43, Mtr3, Rrp42, Csl4, Rrp4, and Rrp40


Template:ABSTRACT 17174896

About this Structure

2NN6 is a Protein complex structure of sequences from Homo sapiens. The following page contains interesting information on the relation of 2NN6 with [Exosomes]. Full crystallographic information is available from OCA.

Page seeded by OCA on Thu Jun 26 18:20:39 2008

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