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2hde

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{{Structure
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|GENE= SAP18 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2hde FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2hde OCA], [http://www.ebi.ac.uk/pdbsum/2hde PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2hde RCSB]</span>
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'''Solution Structure of Human SAP18'''
'''Solution Structure of Human SAP18'''
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[[Category: Pan, B.]]
[[Category: Pan, B.]]
[[Category: Yin, J P.]]
[[Category: Yin, J P.]]
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[[Category: bicoid]]
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[[Category: Bicoid]]
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[[Category: gaga]]
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[[Category: Gaga]]
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[[Category: gli]]
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[[Category: Gli]]
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[[Category: hdac]]
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[[Category: Hdac]]
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[[Category: histone deacetylase]]
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[[Category: Histone deacetylase]]
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[[Category: sin3]]
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[[Category: Sin3]]
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[[Category: transcriptional repressor]]
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[[Category: Transcriptional repressor]]
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Revision as of 03:09, 4 May 2008

Image:2hde.jpg

Template:STRUCTURE 2hde

Solution Structure of Human SAP18


Overview

Signal transduction pathways are frequently found to repress transcription of target genes in the absence of stimulation and, conversely, to upregulate transcription in the presence of a signal. Transcription factors are central in this dual regulatory mechanism and widely use a generalized mechanism to repress transcription through recruitment of a Sin3-histone deacetylase (HDAC) complex to their binding sites on DNA. The protein SAP18 (Sin3-associated polypeptide of 18 kDa) has been shown to play a key role in gene-specific recruitment of the HDAC complex by a number of transcription factors including Gli, GAGA, and Bicoid. The solution structure of SAP18 reveals a ubiquitin-like fold with several large loop insertions relative to other family members. This fold supports the functional role of SAP18 as a protein-protein adapter module and provides insight for how SAP18 may bridge the Sin3-HDAC complex to transcription factors.

About this Structure

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

Reference

Structure of SAP18: a ubiquitin fold in histone deacetylase complex assembly., McCallum SA, Bazan JF, Merchant M, Yin J, Pan B, de Sauvage FJ, Fairbrother WJ, Biochemistry. 2006 Oct 3;45(39):11974-82. PMID:17002296 Page seeded by OCA on Sun May 4 06:08:58 2008

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