2dzn

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{{STRUCTURE_2dzn| PDB=2dzn | SCENE= }}
{{STRUCTURE_2dzn| PDB=2dzn | SCENE= }}
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'''Crystal structure analysis of yeast Nas6p complexed with the proteasome subunit, rpt3'''
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===Crystal structure analysis of yeast Nas6p complexed with the proteasome subunit, rpt3===
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==Overview==
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The 26S proteasome-dependent protein degradation is an evolutionarily conserved process. The mammalian oncoprotein gankyrin, which associates with S6 of the proteasome, facilitates the degradation of pRb, and thus possibly acts as a bridging factor between the proteasome and its substrates. However, the mechanism of the proteasome-dependent protein degradation in yeast is poorly understood. Here, we report the tertiary structure of the complex between Nas6 and a C-terminal domain of Rpt3, which are the yeast orthologues of gankyrin and S6, respectively. The concave region of Nas6 bound to the alpha-helical domain of Rpt3. The stable interaction between Nas6 and Rpt3 was mediated by intermolecular interactions composed of complementary charged patches. The recognition of Rpt3 by Nas6 in the crystal suggests that Nas6 is indeed a subunit of the 26S proteasome. These results provide a structural basis for the association between Nas6 and the heterohexameric ATPase ring of the proteasome through Rpt3.
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(as it appears on PubMed at http://www.pubmed.gov), where 17555716 is the PubMed ID number.
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{{ABSTRACT_PUBMED_17555716}}
==About this Structure==
==About this Structure==
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[[Category: Rsgi]]
[[Category: Rsgi]]
[[Category: Structural genomic]]
[[Category: Structural genomic]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 01:40:08 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 20:59:38 2008''

Revision as of 17:59, 28 July 2008

Image:2dzn.png

Template:STRUCTURE 2dzn

Crystal structure analysis of yeast Nas6p complexed with the proteasome subunit, rpt3

Template:ABSTRACT PUBMED 17555716

About this Structure

2DZN is a Protein complex structure of sequences from Saccharomyces cerevisiae. Full crystallographic information is available from OCA.

Reference

Structural basis for the recognition between the regulatory particles Nas6 and Rpt3 of the yeast 26S proteasome., Nakamura Y, Umehara T, Tanaka A, Horikoshi M, Padmanabhan B, Yokoyama S, Biochem Biophys Res Commun. 2007 Aug 3;359(3):503-9. Epub 2007 May 29. PMID:17555716

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