1yuj: Difference between revisions

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[[Image:1yuj.gif|left|200px]]
{{Seed}}
[[Image:1yuj.png|left|200px]]


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{{STRUCTURE_1yuj|  PDB=1yuj  |  SCENE=  }}  
{{STRUCTURE_1yuj|  PDB=1yuj  |  SCENE=  }}  


'''SOLUTION NMR STRUCTURE OF THE GAGA FACTOR/DNA COMPLEX, 50 STRUCTURES'''
===SOLUTION NMR STRUCTURE OF THE GAGA FACTOR/DNA COMPLEX, 50 STRUCTURES===




==Overview==
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The structure of a complex between the DNA binding domain of the GAGA factor (GAGA-DBD) and an oligonucleotide containing its GAGAG consensus binding site has been determined by nuclear magnetic resonance spectroscopy. The GAGA-DBD comprises a single classical Cys2-His2 zinc finger core, and an N-terminal extension containing two highly basic regions, BR1 and BR2. The zinc finger core binds in the major groove and recognizes the first three GAG bases of the consensus in a manner similar to that seen in other classical zinc finger-DNA complexes. Unlike the latter, which require tandem zinc finger repeats with a minimum of two units for high affinity binding, the GAGA-DBD makes use of only a single finger complemented by BR1 and BR2. BR2 forms a helix that interacts in the major groove recognizing the last G of the consensus, while BR1 wraps around the DNA in the minor groove and recognizes the A in the fourth position of the consensus. The implications of the structure of the GAGA-DBD-DNA complex for chromatin remodelling are discussed.
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{{ABSTRACT_PUBMED_9033593}}


==About this Structure==
==About this Structure==
1YUJ is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Drosophila_melanogaster Drosophila melanogaster]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1YUJ OCA].  
1YUJ is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Drosophila_melanogaster Drosophila melanogaster]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1YUJ OCA].  


==Reference==
==Reference==
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[[Category: Omichinski, J G.]]
[[Category: Omichinski, J G.]]
[[Category: Chromatin remodeling]]
[[Category: Chromatin remodeling]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May  3 16:48:32 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 17:19:16 2008''
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