1x7j
From Proteopedia
(New page: 200px<br /> <applet load="1x7j" size="450" color="white" frame="true" align="right" spinBox="true" caption="1x7j, resolution 2.30Å" /> '''CRYSTAL STRUCTURE O...) |
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| - | [[Image:1x7j.gif|left|200px]]<br /> | + | [[Image:1x7j.gif|left|200px]]<br /><applet load="1x7j" size="350" color="white" frame="true" align="right" spinBox="true" |
| - | <applet load="1x7j" size=" | + | |
caption="1x7j, resolution 2.30Å" /> | caption="1x7j, resolution 2.30Å" /> | ||
'''CRYSTAL STRUCTURE OF ESTROGEN RECEPTOR BETA COMPLEXED WITH GENISTEIN'''<br /> | '''CRYSTAL STRUCTURE OF ESTROGEN RECEPTOR BETA COMPLEXED WITH GENISTEIN'''<br /> | ||
==Overview== | ==Overview== | ||
| - | We present X-ray crystallographic and molecular modeling studies of | + | We present X-ray crystallographic and molecular modeling studies of estrogen receptors-alpha and -beta complexed with the estrogen receptor-beta-selective phytoestrogen genistein, and coactivator-derived NR box peptides containing an LXXLL motif. We demonstrate that the ligand binding mode is essentially identical when genistein is bound to both isoforms, despite the considerably weaker affinity of this ligand for estrogen receptor-alpha. In addition, we examine subtle differences between binding site residues, providing an explanation for why genistein is modestly selective for the beta isoform. To this end, we also present the results of quantum chemical studies and thermodynamic arguments that yield insight to the nature of the interactions leading to estrogen receptor-beta selectivity. The importance of our analysis to structure-based drug design is discussed. |
==About this Structure== | ==About this Structure== | ||
| - | 1X7J is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] with GEN as [http://en.wikipedia.org/wiki/ligand ligand]. Full crystallographic information is available from [http:// | + | 1X7J is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] with <scene name='pdbligand=GEN:'>GEN</scene> as [http://en.wikipedia.org/wiki/ligand ligand]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1X7J OCA]. |
==Reference== | ==Reference== | ||
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[[Category: Homo sapiens]] | [[Category: Homo sapiens]] | ||
[[Category: Single protein]] | [[Category: Single protein]] | ||
| - | [[Category: Manas, E | + | [[Category: Manas, E S.]] |
| - | [[Category: Somers, W | + | [[Category: Somers, W S.]] |
| - | [[Category: Unwalla, R | + | [[Category: Unwalla, R J.]] |
| - | [[Category: Xu, Z | + | [[Category: Xu, Z B.]] |
[[Category: GEN]] | [[Category: GEN]] | ||
[[Category: agonist]] | [[Category: agonist]] | ||
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[[Category: transcription factor]] | [[Category: transcription factor]] | ||
| - | ''Page seeded by [http:// | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 15:51:48 2008'' |
Revision as of 13:51, 21 February 2008
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CRYSTAL STRUCTURE OF ESTROGEN RECEPTOR BETA COMPLEXED WITH GENISTEIN
Overview
We present X-ray crystallographic and molecular modeling studies of estrogen receptors-alpha and -beta complexed with the estrogen receptor-beta-selective phytoestrogen genistein, and coactivator-derived NR box peptides containing an LXXLL motif. We demonstrate that the ligand binding mode is essentially identical when genistein is bound to both isoforms, despite the considerably weaker affinity of this ligand for estrogen receptor-alpha. In addition, we examine subtle differences between binding site residues, providing an explanation for why genistein is modestly selective for the beta isoform. To this end, we also present the results of quantum chemical studies and thermodynamic arguments that yield insight to the nature of the interactions leading to estrogen receptor-beta selectivity. The importance of our analysis to structure-based drug design is discussed.
About this Structure
1X7J is a Single protein structure of sequence from Homo sapiens with as ligand. Full crystallographic information is available from OCA.
Reference
Understanding the selectivity of genistein for human estrogen receptor-beta using X-ray crystallography and computational methods., Manas ES, Xu ZB, Unwalla RJ, Somers WS, Structure. 2004 Dec;12(12):2197-207. PMID:15576033
Page seeded by OCA on Thu Feb 21 15:51:48 2008
