2okb

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[[Image:2okb.jpg|left|200px]]<br /><applet load="2okb" size="350" color="white" frame="true" align="right" spinBox="true"
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[[Image:2okb.jpg|left|200px]]
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caption="2okb, resolution 2.15&Aring;" />
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'''High Resolution Crystal Structures of Vaccinia Virus dUTPase'''<br />
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{{Structure
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|PDB= 2okb |SIZE=350|CAPTION= <scene name='initialview01'>2okb</scene>, resolution 2.15&Aring;
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|SITE=
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|LIGAND= <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene> and <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>
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|ACTIVITY= [http://en.wikipedia.org/wiki/dUTP_diphosphatase dUTP diphosphatase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.6.1.23 3.6.1.23]
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|GENE= DUT ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10245 Vaccinia virus])
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}}
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'''High Resolution Crystal Structures of Vaccinia Virus dUTPase'''
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==Overview==
==Overview==
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==About this Structure==
==About this Structure==
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2OKB is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Vaccinia_virus Vaccinia virus] with <scene name='pdbligand=SO4:'>SO4</scene>, <scene name='pdbligand=CL:'>CL</scene> and <scene name='pdbligand=EDO:'>EDO</scene> as [http://en.wikipedia.org/wiki/ligands ligands]. Active as [http://en.wikipedia.org/wiki/dUTP_diphosphatase dUTP diphosphatase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.6.1.23 3.6.1.23] Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2OKB OCA].
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2OKB is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Vaccinia_virus Vaccinia virus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2OKB OCA].
==Reference==
==Reference==
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Structures of vaccinia virus dUTPase and its nucleotide complexes., Samal A, Schormann N, Cook WJ, DeLucas LJ, Chattopadhyay D, Acta Crystallogr D Biol Crystallogr. 2007 May;63(Pt 5):571-80. Epub 2007, Apr 21. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=17452782 17452782]
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Structures of vaccinia virus dUTPase and its nucleotide complexes., Samal A, Schormann N, Cook WJ, DeLucas LJ, Chattopadhyay D, Acta Crystallogr D Biol Crystallogr. 2007 May;63(Pt 5):571-80. Epub 2007, Apr 21. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/17452782 17452782]
[[Category: Single protein]]
[[Category: Single protein]]
[[Category: Vaccinia virus]]
[[Category: Vaccinia virus]]
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[[Category: superfamily]]
[[Category: superfamily]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 18:19:25 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 18:00:46 2008''

Revision as of 16:00, 20 March 2008

Image:2okb.jpg


PDB ID 2okb

Drag the structure with the mouse to rotate
, resolution 2.15Å
Ligands: , and
Gene: DUT (Vaccinia virus)
Activity: dUTP diphosphatase, with EC number 3.6.1.23
Coordinates: save as pdb, mmCIF, xml



High Resolution Crystal Structures of Vaccinia Virus dUTPase


Overview

Deoxyuridine triphosphate nucleotidohydrolase (dUTPase) catalyzes the hydrolysis of dUTP to dUMP and pyrophosphate in the presence of Mg(2+) ions. The enzyme plays multiple cellular roles by maintaining a low dUTP:dTTP ratio and by synthesizing the substrate for thymidylate synthase in the biosynthesis of dTTP. Although dUTPase is an essential enzyme and has been established as a valid target for drug design, the high degree of homology of vaccinia virus dUTPase to the human enzyme makes the identification of selective inhibitors difficult. The crystal structure of vaccinia virus dUTPase has been solved and the active site has been mapped by crystallographic analysis of the apo enzyme and of complexes with the substrate-analog dUMPNPP, with the product dUMP and with dUDP, which acts as an inhibitor. Analyses of these structures reveal subtle differences between the viral and human enzymes. In particular, the much larger size of the central channel at the trimer interface suggests new possibilities for structure-based drug design. Vaccinia virus is a prototype of the poxviruses.

About this Structure

2OKB is a Single protein structure of sequence from Vaccinia virus. Full crystallographic information is available from OCA.

Reference

Structures of vaccinia virus dUTPase and its nucleotide complexes., Samal A, Schormann N, Cook WJ, DeLucas LJ, Chattopadhyay D, Acta Crystallogr D Biol Crystallogr. 2007 May;63(Pt 5):571-80. Epub 2007, Apr 21. PMID:17452782

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