2gf7: Difference between revisions

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[[Image:2gf7.gif|left|200px]]
{{Seed}}
[[Image:2gf7.png|left|200px]]


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{{STRUCTURE_2gf7|  PDB=2gf7  |  SCENE=  }}  
{{STRUCTURE_2gf7|  PDB=2gf7  |  SCENE=  }}  


'''Double tudor domain structure'''
===Double tudor domain structure===




==Overview==
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Biological responses to histone methylation critically depend on the faithful readout and transduction of the methyl-lysine signal by "effector" proteins, yet our understanding of methyl-lysine recognition has so far been limited to the study of histone binding by chromodomain and WD40-repeat proteins. The double tudor domain of JMJD2A, a Jmjc domain-containing histone demethylase, binds methylated histone H3-K4 and H4-K20. We found that the double tudor domain has an interdigitated structure, and the unusual fold is required for its ability to bind methylated histone tails. The cocrystal structure of the JMJD2A double tudor domain with a trimethylated H3-K4 peptide reveals that the trimethyl-K4 is bound in a cage of three aromatic residues, two of which are from the tudor-2 motif, whereas the binding specificity is determined by side-chain interactions involving amino acids from the tudor-1 motif. Our study provides mechanistic insights into recognition of methylated histone tails by tudor domains and reveals the structural intricacy of methyl-lysine recognition by two closely spaced effector domains.
The line below this paragraph, {{ABSTRACT_PUBMED_16601153}}, adds the Publication Abstract to the page
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{{ABSTRACT_PUBMED_16601153}}


==About this Structure==
==About this Structure==
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[[Category: Trimethyl histone h3 lysine 4]]
[[Category: Trimethyl histone h3 lysine 4]]
[[Category: Tudor tandem]]
[[Category: Tudor tandem]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May  4 05:02:13 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 20:55:37 2008''

Revision as of 17:55, 28 July 2008

File:2gf7.png

Template:STRUCTURE 2gf7

Double tudor domain structure

Template:ABSTRACT PUBMED 16601153

About this Structure

2GF7 is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Recognition of histone H3 lysine-4 methylation by the double tudor domain of JMJD2A., Huang Y, Fang J, Bedford MT, Zhang Y, Xu RM, Science. 2006 May 5;312(5774):748-51. Epub 2006 Apr 6. PMID:16601153

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