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1g6g

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{{STRUCTURE_1g6g| PDB=1g6g | SCENE= }}
{{STRUCTURE_1g6g| PDB=1g6g | SCENE= }}
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'''X-RAY STRUCTURE OF THE N-TERMINAL FHA DOMAIN FROM S. CEREVISIAE RAD53P IN COMPLEX WITH A PHOSPHOTHREONINE PEPTIDE AT 1.6 A RESOLUTION'''
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===X-RAY STRUCTURE OF THE N-TERMINAL FHA DOMAIN FROM S. CEREVISIAE RAD53P IN COMPLEX WITH A PHOSPHOTHREONINE PEPTIDE AT 1.6 A RESOLUTION===
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==Overview==
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Forkhead-associated (FHA) domains are a class of ubiquitous signaling modules that appear to function through interactions with phosphorylated target molecules. We have used oriented peptide library screening to determine the optimal phosphopeptide binding motifs recognized by several FHA domains, including those within a number of DNA damage checkpoint kinases, and determined the X-ray structure of Rad53p-FHA1, in complex with a phospho-threonine peptide, at 1.6 A resolution. The structure reveals a striking similarity to the MH2 domains of Smad tumor suppressor proteins and reveals a mode of peptide binding that differs from SH2, 14-3-3, or PTB domain complexes. These results have important implications for DNA damage signaling and CHK2-dependent tumor suppression, and they indicate that FHA domains play important and unsuspected roles in S/T kinase signaling mechanisms in prokaryotes and eukaryotes.
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{{ABSTRACT_PUBMED_11106755}}
==About this Structure==
==About this Structure==
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[[Category: Beta-sandwich]]
[[Category: Beta-sandwich]]
[[Category: Phosphopeptide complex]]
[[Category: Phosphopeptide complex]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 17:11:53 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 04:43:44 2008''

Revision as of 01:43, 1 July 2008

Image:1g6g.png

Template:STRUCTURE 1g6g

X-RAY STRUCTURE OF THE N-TERMINAL FHA DOMAIN FROM S. CEREVISIAE RAD53P IN COMPLEX WITH A PHOSPHOTHREONINE PEPTIDE AT 1.6 A RESOLUTION

Template:ABSTRACT PUBMED 11106755

About this Structure

1G6G is a Single protein structure of sequence from Saccharomyces cerevisiae. Full crystallographic information is available from OCA.

Reference

The molecular basis of FHA domain:phosphopeptide binding specificity and implications for phospho-dependent signaling mechanisms., Durocher D, Taylor IA, Sarbassova D, Haire LF, Westcott SL, Jackson SP, Smerdon SJ, Yaffe MB, Mol Cell. 2000 Nov;6(5):1169-82. PMID:11106755

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