1e6i

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[[Image:1e6i.gif|left|200px]]
[[Image:1e6i.gif|left|200px]]
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{{Structure
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|PDB= 1e6i |SIZE=350|CAPTION= <scene name='initialview01'>1e6i</scene>, resolution 1.87&Aring;
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The line below this paragraph, containing "STRUCTURE_1e6i", creates the "Structure Box" on the page.
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|SITE=
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|LIGAND= <scene name='pdbligand=ALY:N(6)-ACETYLLYSINE'>ALY</scene>
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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|ACTIVITY=
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|GENE= GCN5 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=4932 Saccharomyces cerevisiae])
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|DOMAIN=
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{{STRUCTURE_1e6i| PDB=1e6i | SCENE= }}
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1e6i FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1e6i OCA], [http://www.ebi.ac.uk/pdbsum/1e6i PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1e6i RCSB]</span>
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'''BROMODOMAIN FROM GCN5 COMPLEXED WITH ACETYLATED H4 PEPTIDE'''
'''BROMODOMAIN FROM GCN5 COMPLEXED WITH ACETYLATED H4 PEPTIDE'''
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[[Category: Owen, D J.]]
[[Category: Owen, D J.]]
[[Category: Travers, A A.]]
[[Category: Travers, A A.]]
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[[Category: bromodomain]]
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[[Category: Bromodomain]]
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[[Category: histone binding]]
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[[Category: Histone binding]]
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[[Category: n-acetyl lysine]]
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[[Category: N-acetyl lysine]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 14:43:37 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 19:56:09 2008''
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Revision as of 11:43, 2 May 2008

Image:1e6i.gif

Template:STRUCTURE 1e6i

BROMODOMAIN FROM GCN5 COMPLEXED WITH ACETYLATED H4 PEPTIDE


Overview

The bromodomain is an approximately 110 amino acid module found in histone acetyltransferases and the ATPase component of certain nucleosome remodelling complexes. We report the crystal structure at 1.9 A resolution of the Saccharomyces cerevisiae Gcn5p bromodomain complexed with a peptide corresponding to residues 15-29 of histone H4 acetylated at the zeta-N of lysine 16. We show that this bromodomain preferentially binds to peptides containing an N:-acetyl lysine residue. Only residues 16-19 of the acetylated peptide interact with the bromodomain. The primary interaction is the N:-acetyl lysine binding in a cleft with the specificity provided by the interaction of the amide nitrogen of a conserved asparagine with the oxygen of the acetyl carbonyl group. A network of water-mediated H-bonds with protein main chain carbonyl groups at the base of the cleft contributes to the binding. Additional side chain binding occurs on a shallow depression that is hydrophobic at one end and can accommodate charge interactions at the other. These findings suggest that the Gcn5p bromodomain may discriminate between different acetylated lysine residues depending on the context in which they are displayed.

About this Structure

1E6I is a Protein complex structure of sequences from Saccharomyces cerevisiae. Full crystallographic information is available from OCA.

Reference

The structural basis for the recognition of acetylated histone H4 by the bromodomain of histone acetyltransferase gcn5p., Owen DJ, Ornaghi P, Yang JC, Lowe N, Evans PR, Ballario P, Neuhaus D, Filetici P, Travers AA, EMBO J. 2000 Nov 15;19(22):6141-9. PMID:11080160 Page seeded by OCA on Fri May 2 14:43:37 2008

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