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1su2

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[[Image:1su2.gif|left|200px]]
 
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{{Structure
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==CRYSTAL STRUCTURE OF THE NUDIX HYDROLASE DR1025 IN COMPLEX WITH ATP==
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|PDB= 1su2 |SIZE=350|CAPTION= <scene name='initialview01'>1su2</scene>, resolution 1.6&Aring;
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<StructureSection load='1su2' size='340' side='right'caption='[[1su2]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene> and <scene name='pdbligand=ATP:ADENOSINE-5'-TRIPHOSPHATE'>ATP</scene>
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<table><tr><td colspan='2'>[[1su2]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Deinococcus_radiodurans Deinococcus radiodurans]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SU2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1SU2 FirstGlance]. <br>
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|ACTIVITY=
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.6&#8491;</td></tr>
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|GENE= DR1025 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1299 Deinococcus radiodurans])
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ATP:ADENOSINE-5-TRIPHOSPHATE'>ATP</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
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}}
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1su2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1su2 OCA], [https://pdbe.org/1su2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1su2 RCSB], [https://www.ebi.ac.uk/pdbsum/1su2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1su2 ProSAT], [https://www.topsan.org/Proteins/BSGC/1su2 TOPSAN]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/Y1025_DEIRA Y1025_DEIRA] Hydrolase that can act as a nucleoside triphosphatase and a dinucleoside polyphosphate pyrophosphatase. The best substrates are 8-oxo-dGTP and 8-oxo-GTP. Other substrates include Ap4A, dGTP and GTP. May be involved in protection from damage caused by radiation.<ref>PMID:23481913</ref>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/su/1su2_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1su2 ConSurf].
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<div style="clear:both"></div>
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'''CRYSTAL STRUCTURE OF THE NUDIX HYDROLASE DR1025 IN COMPLEX WITH ATP'''
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==See Also==
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*[[Nudix hydrolase|Nudix hydrolase]]
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*[[Nudix hydrolase 3D structures|Nudix hydrolase 3D structures]]
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==Overview==
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*[[7%2C8-dihydro-8-oxoguanine triphosphatase 3D structures|7%2C8-dihydro-8-oxoguanine triphosphatase 3D structures]]
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We have determined the crystal structure, at 1.4A, of the Nudix hydrolase DR1025 from the extremely radiation resistant bacterium Deinococcus radiodurans. The protein forms an intertwined homodimer by exchanging N-terminal segments between chains. We have identified additional conserved elements of the Nudix fold, including the metal-binding motif, a kinked beta-strand characterized by a proline two positions upstream of the Nudix consensus sequence, and participation of the N-terminal extension in the formation of the substrate-binding pocket. Crystal structures were also solved of DR1025 crystallized in the presence of magnesium and either a GTP analog or Ap(4)A (both at 1.6A resolution). In the Ap(4)A co-crystal, the electron density indicated that the product of asymmetric hydrolysis, ATP, was bound to the enzyme. The GTP analog bound structure showed that GTP was bound almost identically as ATP. Neither nucleoside triphosphate was further cleaved.
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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1SU2 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Deinococcus_radiodurans Deinococcus radiodurans]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SU2 OCA].
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</StructureSection>
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==Reference==
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Structural studies of the Nudix hydrolase DR1025 from Deinococcus radiodurans and its ligand complexes., Ranatunga W, Hill EE, Mooster JL, Holbrook EL, Schulze-Gahmen U, Xu W, Bessman MJ, Brenner SE, Holbrook SR, J Mol Biol. 2004 May 21;339(1):103-16. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15123424 15123424]
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[[Category: Deinococcus radiodurans]]
[[Category: Deinococcus radiodurans]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: BSGC, Berkeley Structural Genomics Center.]]
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[[Category: Bessman MJ]]
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[[Category: Bessman, M J.]]
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[[Category: Brenner SE]]
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[[Category: Brenner, S E.]]
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[[Category: Hill EE]]
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[[Category: Hill, E E.]]
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[[Category: Holbrook EL]]
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[[Category: Holbrook, E L.]]
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[[Category: Holbrook SR]]
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[[Category: Holbrook, S R.]]
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[[Category: Mooster JL]]
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[[Category: Mooster, J L.]]
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[[Category: Ranatunga W]]
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[[Category: Ranatunga, W.]]
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[[Category: Schulze-Gahmen U]]
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[[Category: Schulze-Gahmen, U.]]
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[[Category: Xu W]]
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[[Category: Xu, W.]]
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[[Category: ATP]]
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[[Category: MG]]
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[[Category: alpha-beta-alpha sandwich]]
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[[Category: berkeley structural genomics center]]
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[[Category: bsgc structure funded by nih]]
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[[Category: nudix fold]]
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[[Category: protein structure initiative]]
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[[Category: psi]]
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[[Category: structural genomic]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 14:09:36 2008''
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Current revision

CRYSTAL STRUCTURE OF THE NUDIX HYDROLASE DR1025 IN COMPLEX WITH ATP

PDB ID 1su2

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