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1hv2

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[[Image:1hv2.jpg|left|200px]]
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{{STRUCTURE_1hv2| PDB=1hv2 | SCENE= }}
{{STRUCTURE_1hv2| PDB=1hv2 | SCENE= }}
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'''SOLUTION STRUCTURE OF YEAST ELONGIN C IN COMPLEX WITH A VON HIPPEL-LINDAU PEPTIDE'''
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===SOLUTION STRUCTURE OF YEAST ELONGIN C IN COMPLEX WITH A VON HIPPEL-LINDAU PEPTIDE===
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==Overview==
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Elongin is a transcription elongation factor that stimulates the rate of elongation by suppressing transient pausing by RNA polymerase II at many sites along the DNA. It is heterotrimeric in mammals, consisting of elongins A, B and C subunits, and bears overall similarity to a class of E3 ubiquitin ligases known as SCF (Skp1-Cdc53 (cullin)-F-box) complexes. A subcomplex of elongins B and C is a target for negative regulation by the von Hippel-Lindau (VHL) tumor-suppressor protein. Elongin C from Saccharomyces cerevisiae, Elc1, exhibits high sequence similarity to mammalian elongin C. Using NMR spectroscopy we have determined the three-dimensional structure of Elc1 in complex with a human VHL peptide, VHL(157-171), representing the major Elc1 binding site. The bound VHL peptide is entirely helical. Elc1 utilizes two C-terminal helices and an intervening loop to form a binding groove that fits VHL(157-171). Chemical shift perturbation and dynamics analyses reveal that a global conformational change accompanies Elc1/VHL(157-171) complex formation. Moreover, the disappearance of conformational exchange phenomena on the microsecond to millisecond time scale within Elc1 upon VHL peptide binding suggests a role for slow internal motions in ligand recognition.
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{{ABSTRACT_PUBMED_11545595}}
==About this Structure==
==About this Structure==
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1HV2 is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HV2 OCA].
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1HV2 is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HV2 OCA].
==Reference==
==Reference==
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[[Category: Yi, G S.]]
[[Category: Yi, G S.]]
[[Category: Protein-peptide complex]]
[[Category: Protein-peptide complex]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 19:15:42 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 08:48:06 2008''

Revision as of 05:48, 1 July 2008

Image:1hv2.png

Template:STRUCTURE 1hv2

SOLUTION STRUCTURE OF YEAST ELONGIN C IN COMPLEX WITH A VON HIPPEL-LINDAU PEPTIDE

Template:ABSTRACT PUBMED 11545595

About this Structure

1HV2 is a Protein complex structure of sequences from Saccharomyces cerevisiae. Full experimental information is available from OCA.

Reference

Solution structure and dynamics of yeast elongin C in complex with a von Hippel-Lindau peptide., Botuyan MV, Mer G, Yi GS, Koth CM, Case DA, Edwards AM, Chazin WJ, Arrowsmith CH, J Mol Biol. 2001 Sep 7;312(1):177-86. PMID:11545595

Page seeded by OCA on Tue Jul 1 08:48:06 2008

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