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1lo1

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[[Image:1lo1.gif|left|200px]]
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{{Seed}}
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[[Image:1lo1.png|left|200px]]
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{{STRUCTURE_1lo1| PDB=1lo1 | SCENE= }}
{{STRUCTURE_1lo1| PDB=1lo1 | SCENE= }}
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'''ESTROGEN RELATED RECEPTOR 2 DNA BINDING DOMAIN IN COMPLEX WITH DNA'''
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===ESTROGEN RELATED RECEPTOR 2 DNA BINDING DOMAIN IN COMPLEX WITH DNA===
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==Overview==
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While most nuclear receptors bind DNA as homo or heterodimers, the human estrogen related receptors (hERRs) are members of a subfamily of orphan receptors that bind DNA as monomers. We have determined the solution structure of the DNA binding domain (DBD) of hERR2 bound to its cognate DNA. The structure and base interactions of the core DBD are similar to those of other nuclear receptors. However, high-affinity, sequence-specific DNA binding as a monomer necessitates formation of additional base contacts outside the core DBD. This is accomplished using a modified guanosine-binding "AT-hook" within the C-terminal extension (CTE) flanking the DBD, which makes base-specific minor groove interactions. The structure of the CTE is stabilized both by interactions with the DNA and by packing against a region of the core DBD normally reserved for dimerization. This pseudo-dimer interface provides a basis for the expansion of DNA recognition and suggests a mechanism through which dimerization may have evolved from an ancestral monomeric receptor.
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The line below this paragraph, {{ABSTRACT_PUBMED_12654265}}, adds the Publication Abstract to the page
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(as it appears on PubMed at http://www.pubmed.gov), where 12654265 is the PubMed ID number.
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{{ABSTRACT_PUBMED_12654265}}
==About this Structure==
==About this Structure==
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1LO1 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1LO1 OCA].
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1LO1 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1LO1 OCA].
==Reference==
==Reference==
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[[Category: Herr2]]
[[Category: Herr2]]
[[Category: Hormone nuclear receptor]]
[[Category: Hormone nuclear receptor]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 00:06:11 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Jul 2 21:32:44 2008''

Revision as of 18:32, 2 July 2008

Image:1lo1.png

Template:STRUCTURE 1lo1

ESTROGEN RELATED RECEPTOR 2 DNA BINDING DOMAIN IN COMPLEX WITH DNA

Template:ABSTRACT PUBMED 12654265

About this Structure

1LO1 is a Single protein structure of sequence from Homo sapiens. Full experimental information is available from OCA.

Reference

Monomeric complex of human orphan estrogen related receptor-2 with DNA: a pseudo-dimer interface mediates extended half-site recognition., Gearhart MD, Holmbeck SM, Evans RM, Dyson HJ, Wright PE, J Mol Biol. 2003 Apr 4;327(4):819-32. PMID:12654265

Page seeded by OCA on Wed Jul 2 21:32:44 2008

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