1s2c

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[[Image:1s2c.gif|left|200px]]<br /><applet load="1s2c" size="350" color="white" frame="true" align="right" spinBox="true"
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[[Image:1s2c.gif|left|200px]]
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caption="1s2c, resolution 1.80&Aring;" />
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'''Crystal structures of prostaglandin D2 11-ketoreductase in complex with the non-steroidal anti-inflammatory drugs flufenamic acid and indomethacin'''<br />
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{{Structure
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|PDB= 1s2c |SIZE=350|CAPTION= <scene name='initialview01'>1s2c</scene>, resolution 1.80&Aring;
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|SITE=
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|LIGAND= <scene name='pdbligand=NAP:NADP+NICOTINAMIDE-ADENINE-DINUCLEOTIDE+PHOSPHATE'>NAP</scene>, <scene name='pdbligand=FLF:2-[[3-(TRIFLUOROMETHYL)PHENYL]AMINO]+BENZOIC+ACID'>FLF</scene> and <scene name='pdbligand=DMS:DIMETHYL SULFOXIDE'>DMS</scene>
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|ACTIVITY=
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|GENE=
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}}
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'''Crystal structures of prostaglandin D2 11-ketoreductase in complex with the non-steroidal anti-inflammatory drugs flufenamic acid and indomethacin'''
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==Overview==
==Overview==
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==About this Structure==
==About this Structure==
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1S2C 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=NAP:'>NAP</scene>, <scene name='pdbligand=FLF:'>FLF</scene> and <scene name='pdbligand=DMS:'>DMS</scene> as [http://en.wikipedia.org/wiki/ligands ligands]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1S2C OCA].
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1S2C 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=1S2C OCA].
==Reference==
==Reference==
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Crystal structures of prostaglandin D(2) 11-ketoreductase (AKR1C3) in complex with the nonsteroidal anti-inflammatory drugs flufenamic acid and indomethacin., Lovering AL, Ride JP, Bunce CM, Desmond JC, Cummings SM, White SA, Cancer Res. 2004 Mar 1;64(5):1802-10. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=14996743 14996743]
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Crystal structures of prostaglandin D(2) 11-ketoreductase (AKR1C3) in complex with the nonsteroidal anti-inflammatory drugs flufenamic acid and indomethacin., Lovering AL, Ride JP, Bunce CM, Desmond JC, Cummings SM, White SA, Cancer Res. 2004 Mar 1;64(5):1802-10. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/14996743 14996743]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Single protein]]
[[Category: Single protein]]
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[[Category: tim-barrel]]
[[Category: tim-barrel]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 14:57:09 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 13:59:27 2008''

Revision as of 11:59, 20 March 2008

Image:1s2c.gif


PDB ID 1s2c

Drag the structure with the mouse to rotate
, resolution 1.80Å
Ligands: , and
Coordinates: save as pdb, mmCIF, xml



Crystal structures of prostaglandin D2 11-ketoreductase in complex with the non-steroidal anti-inflammatory drugs flufenamic acid and indomethacin


Overview

It is becoming increasingly well established that nonsteroidal anti-inflammatory drugs (NSAID) protect against tumors of the gastrointestinal tract and that they may also protect against a variety of other tumors. These activities have been widely attributed to the inhibition of cylooxygenases (COX) and, in particular, COX-2. However, several observations have indicated that other targets may be involved. Besides targeting COX, certain NSAID also inhibit enzymes belonging to the aldo-keto reductase (AKR) family, including AKR1C3. We have demonstrated previously that overexpression of AKR1C3 acts to suppress cell differentiation and promote proliferation in myeloid cells. However, this enzyme has a broad tissue distribution and therefore represents a novel candidate for the target of the COX-independent antineoplastic actions of NSAID. Here we report on the X-ray crystal structures of AKR1C3 complexed with the NSAID indomethacin (1.8 A resolution) or flufenamic acid (1.7 A resolution). One molecule of indomethacin is bound in the active site, whereas flufenamic acid binds to both the active site and the beta-hairpin loop, at the opposite end of the central beta-barrel. Two other crystal structures (1.20 and 2.1 A resolution) show acetate bound in the active site occupying the proposed oxyanion hole. The data underline AKR1C3 as a COX-independent target for NSAID and will provide a structural basis for the future development of new cancer therapies with reduced COX-dependent side effects.

About this Structure

1S2C is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Crystal structures of prostaglandin D(2) 11-ketoreductase (AKR1C3) in complex with the nonsteroidal anti-inflammatory drugs flufenamic acid and indomethacin., Lovering AL, Ride JP, Bunce CM, Desmond JC, Cummings SM, White SA, Cancer Res. 2004 Mar 1;64(5):1802-10. PMID:14996743

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