1rfg

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[[Image:1rfg.png|left|200px]]
 
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{{STRUCTURE_1rfg| PDB=1rfg | SCENE= }}
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==Crystal Structure of Human Purine Nucleoside Phosphorylase Complexed with Guanosine==
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<StructureSection load='1rfg' size='340' side='right'caption='[[1rfg]], [[Resolution|resolution]] 2.90&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1rfg]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RFG OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1RFG FirstGlance]. <br>
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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]] 2.9&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GMP:GUANOSINE'>GMP</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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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=1rfg FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1rfg OCA], [https://pdbe.org/1rfg PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1rfg RCSB], [https://www.ebi.ac.uk/pdbsum/1rfg PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1rfg ProSAT]</span></td></tr>
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</table>
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== Disease ==
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[https://www.uniprot.org/uniprot/PNPH_HUMAN PNPH_HUMAN] Defects in PNP are the cause of purine nucleoside phosphorylase deficiency (PNPD) [MIM:[https://omim.org/entry/613179 613179]. It leads to a severe T-cell immunodeficiency with neurologic disorder in children.<ref>PMID:3029074</ref> <ref>PMID:1384322</ref> <ref>PMID:8931706</ref>
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== Function ==
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[https://www.uniprot.org/uniprot/PNPH_HUMAN PNPH_HUMAN] The purine nucleoside phosphorylases catalyze the phosphorolytic breakdown of the N-glycosidic bond in the beta-(deoxy)ribonucleoside molecules, with the formation of the corresponding free purine bases and pentose-1-phosphate.<ref>PMID:2104852</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/rf/1rfg_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=1rfg 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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Purine nucleoside phosphorylase (PNP) is a key enzyme in the purine-salvage pathway, which allows cells to utilize preformed bases and nucleosides in order to synthesize nucleotides. PNP is specific for purine nucleosides in the beta-configuration and exhibits a strong preference for purines containing a 6-keto group and ribosyl-containing nucleosides relative to the corresponding analogues. PNP was crystallized in complex with ligands and data collection was performed using synchrotron radiation. This work reports the structure of human PNP in complex with guanosine (at 2.80 A resolution), 3'-deoxyguanosine (at 2.86 A resolution) and 8-azaguanine (at 2.85 A resolution). These structures were compared with the PNP-guanine, PNP-inosine and PNP-immucillin-H complexes solved previously.
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===Crystal Structure of Human Purine Nucleoside Phosphorylase Complexed with Guanosine===
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Structure of human PNP complexed with ligands.,Canduri F, Silva RG, dos Santos DM, Palma MS, Basso LA, Santos DS, de Azevedo WF Jr Acta Crystallogr D Biol Crystallogr. 2005 Jul;61(Pt 7):856-62. Epub 2005, Jun 24. PMID:15983407<ref>PMID:15983407</ref>
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{{ABSTRACT_PUBMED_15983407}}
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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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<div class="pdbe-citations 1rfg" style="background-color:#fffaf0;"></div>
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==About this Structure==
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==See Also==
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[[1rfg]] is a 1 chain structure with 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=1RFG OCA].
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*[[Purine nucleoside phosphorylase 3D structures|Purine nucleoside phosphorylase 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:015983407</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Purine-nucleoside phosphorylase]]
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[[Category: Large Structures]]
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[[Category: Azevedo, W F.de.]]
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[[Category: Basso LA]]
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[[Category: Basso, L A.]]
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[[Category: Canduri F]]
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[[Category: Canduri, F.]]
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[[Category: Dos Santos DM]]
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[[Category: Palma, M S.]]
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[[Category: Palma MS]]
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[[Category: Santos, D M.Dos.]]
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[[Category: Santos DS]]
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[[Category: Santos, D S.]]
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[[Category: Silva RG]]
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[[Category: Silva, R G.]]
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[[Category: De Azevedo WF]]
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[[Category: Drug design]]
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[[Category: Guanosine]]
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[[Category: Purine nucleoside phosphorylase]]
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[[Category: Synchrotron]]
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[[Category: Transferase]]
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Current revision

Crystal Structure of Human Purine Nucleoside Phosphorylase Complexed with Guanosine

PDB ID 1rfg

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