2c52

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[[Image:2c52.gif|left|200px]]
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{{Structure
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|PDB= 2c52 |SIZE=350|CAPTION= <scene name='initialview01'>2c52</scene>
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The line below this paragraph, containing "STRUCTURE_2c52", creates the "Structure Box" on the page.
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Histone_acetyltransferase Histone acetyltransferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.3.1.48 2.3.1.48] </span>
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{{STRUCTURE_2c52| PDB=2c52 | SCENE= }}
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2c52 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2c52 OCA], [http://www.ebi.ac.uk/pdbsum/2c52 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2c52 RCSB]</span>
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'''STRUCTURAL DIVERSITY IN CBP P160 COMPLEXES'''
'''STRUCTURAL DIVERSITY IN CBP P160 COMPLEXES'''
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Revision as of 18:15, 3 May 2008

Image:2c52.gif

Template:STRUCTURE 2c52

STRUCTURAL DIVERSITY IN CBP P160 COMPLEXES


Overview

Ligand-induced transcription by nuclear receptors involves the recruitment of p160 coactivators such as steroid receptor coactivator 1 (SRC1), in complex with histone acetyltransferases such as CREB-binding protein (CBP) and p300. Here we describe the solution structure of a complex formed by the SRC1 interaction domain (SID) of CBP and the activation domain (AD1) of SRC1, both of which contain four helical regions (Calpha1, Calpha2, Calpha3, and Calpha3' in CBP and Salpha1, Salpha2', Salpha2, and Salpha3 in SRC1). A tight four-helix bundle is formed between Salpha1, Calpha1, Calpha2, and Calpha3 that is capped by Salpha3. In contrast to the structure of the AD1 domain of the related p160 protein ACTR in complex with CBP SID, the sequences forming Salpha2' and Salpha2 in SRC1 AD1 are not involved in the interface between the two domains but rather serve to position Salpha3. Thus, although the CBP SID domain adopts a similar fold in complex with different p160 proteins, the topologies of the AD1 domains are strikingly different, a feature that is likely to contribute to functional specificity of these coactivator complexes.

About this Structure

2C52 is a Protein complex structure of sequences from Homo sapiens and Mus musculus. Full crystallographic information is available from OCA.

Reference

Structural diversity in p160/CREB-binding protein coactivator complexes., Waters L, Yue B, Veverka V, Renshaw P, Bramham J, Matsuda S, Frenkiel T, Kelly G, Muskett F, Carr M, Heery DM, J Biol Chem. 2006 May 26;281(21):14787-95. Epub 2006 Mar 15. PMID:16540468 Page seeded by OCA on Sat May 3 21:15:50 2008

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OCA

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