2gs0

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{{STRUCTURE_2gs0| PDB=2gs0 | SCENE= }}
{{STRUCTURE_2gs0| PDB=2gs0 | SCENE= }}
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'''NMR structure of the complex between the PH domain of the Tfb1 subunit from TFIIH and the activation domain of p53'''
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===NMR structure of the complex between the PH domain of the Tfb1 subunit from TFIIH and the activation domain of p53===
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==Overview==
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The interaction between the amino-terminal transactivation domain (TAD) of p53 and TFIIH is directly correlated with the ability of p53 to activate both transcription initiation and elongation. We have identified a region within the p53 TAD that specifically interacts with the pleckstrin homology (PH) domain of the p62 and Tfb1 subunits of human and yeast TFIIH. We have solved the 3D structure of a complex between the p53 TAD and the PH domain of Tfb1 by NMR spectroscopy. Our structure reveals that p53 forms a nine residue amphipathic alpha helix (residues 47-55) upon binding to Tfb1. In addition, we demonstrate that diphosphorylation of p53 at Ser46 and Thr55 leads to a significant enhancement in p53 binding to p62 and Tfb1. These results indicate that a phosphorylation cascade involving Ser46 and Thr55 of p53 could play an important role in the regulation of select p53 target genes.
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The line below this paragraph, {{ABSTRACT_PUBMED_16793543}}, adds the Publication Abstract to the page
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(as it appears on PubMed at http://www.pubmed.gov), where 16793543 is the PubMed ID number.
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{{ABSTRACT_PUBMED_16793543}}
==Disease==
==Disease==
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==About this Structure==
==About this Structure==
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2GS0 is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2GS0 OCA].
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2GS0 is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2GS0 OCA].
==Reference==
==Reference==
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[[Category: Tfiih]]
[[Category: Tfiih]]
[[Category: Transcription]]
[[Category: Transcription]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 05:27:06 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Jul 27 17:35:59 2008''

Revision as of 14:36, 27 July 2008

Image:2gs0.png

Template:STRUCTURE 2gs0

Contents

NMR structure of the complex between the PH domain of the Tfb1 subunit from TFIIH and the activation domain of p53

Template:ABSTRACT PUBMED 16793543

Disease

Known disease associated with this structure: Adrenal cortical carcinoma OMIM:[191170], Breast cancer OMIM:[191170], Colorectal cancer OMIM:[191170], Hepatocellular carcinoma OMIM:[191170], Histiocytoma OMIM:[191170], Li-Fraumeni syndrome OMIM:[191170], Multiple malignancy syndrome OMIM:[191170], Nasopharyngeal carcinoma OMIM:[191170], Osteosarcoma OMIM:[191170], Pancreatic cancer OMIM:[191170], Thyroid carcinoma OMIM:[191170]

About this Structure

2GS0 is a Protein complex structure of sequences from Homo sapiens and Saccharomyces cerevisiae. Full experimental information is available from OCA.

Reference

Structure of the Tfb1/p53 complex: Insights into the interaction between the p62/Tfb1 subunit of TFIIH and the activation domain of p53., Di Lello P, Jenkins LM, Jones TN, Nguyen BD, Hara T, Yamaguchi H, Dikeakos JD, Appella E, Legault P, Omichinski JG, Mol Cell. 2006 Jun 23;22(6):731-40. PMID:16793543

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