1p6o

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[[Image:1p6o.png|left|200px]]
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==The crystal structure of yeast cytosine deaminase bound to 4(R)-hydroxyl-3,4-dihydropyrimidine at 1.14 angstroms.==
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<StructureSection load='1p6o' size='340' side='right' caption='[[1p6o]], [[Resolution|resolution]] 1.14&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1p6o]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1P6O OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1P6O FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ACY:ACETIC+ACID'>ACY</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=HPY:4-HYDROXY-3,4-DIHYDRO-1H-PYRIMIDIN-2-ONE'>HPY</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1ox7|1ox7]]</td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">FCY1 OR YPR062W OR YP9499.17 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=4932 Saccharomyces cerevisiae])</td></tr>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Cytosine_deaminase Cytosine deaminase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.5.4.1 3.5.4.1] </span></td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1p6o FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1p6o OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1p6o RCSB], [http://www.ebi.ac.uk/pdbsum/1p6o PDBsum]</span></td></tr>
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<table>
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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/p6/1p6o_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/chain_selection.php?pdb_ID=2ata ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Cytosine deaminase (CD) catalyzes the deamination of cytosine and is only present in prokaryotes and fungi, where it is a member of the pyrimidine salvage pathway. The enzyme is of interest both for antimicrobial drug design and gene therapy applications against tumors. The structure of Saccharomyces cerevisiae CD has been determined in the presence and absence of a mechanism-based inhibitor, at 1.14 and 1.43 A resolution, respectively. The enzyme forms an alpha/beta fold similar to bacterial cytidine deaminase, but with no similarity to the alpha/beta barrel fold used by bacterial cytosine deaminase or mammalian adenosine deaminase. The structures observed for bacterial, fungal, and mammalian nucleic acid deaminases represent an example of the parallel evolution of two unique protein folds to carry out the same reaction on a diverse array of substrates.
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{{STRUCTURE_1p6o| PDB=1p6o | SCENE= }}
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The 1.14 A crystal structure of yeast cytosine deaminase: evolution of nucleotide salvage enzymes and implications for genetic chemotherapy.,Ireton GC, Black ME, Stoddard BL Structure. 2003 Aug;11(8):961-72. PMID:12906827<ref>PMID:12906827</ref>
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===The crystal structure of yeast cytosine deaminase bound to 4(R)-hydroxyl-3,4-dihydropyrimidine at 1.14 angstroms.===
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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{{ABSTRACT_PUBMED_12906827}}
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==See Also==
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*[[Deaminase|Deaminase]]
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==About this Structure==
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== References ==
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[[1p6o]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1P6O OCA].
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<references/>
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__TOC__
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==Reference==
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</StructureSection>
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<ref group="xtra">PMID:012906827</ref><references group="xtra"/>
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[[Category: Cytosine deaminase]]
[[Category: Cytosine deaminase]]
[[Category: Saccharomyces cerevisiae]]
[[Category: Saccharomyces cerevisiae]]

Revision as of 00:15, 29 September 2014

The crystal structure of yeast cytosine deaminase bound to 4(R)-hydroxyl-3,4-dihydropyrimidine at 1.14 angstroms.

1p6o, resolution 1.14Å

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OCA

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