2q7o

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{{STRUCTURE_2q7o| PDB=2q7o | SCENE= }}
 
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===Structure of human purine nucleoside phosphorylase in complex with L-Immucillin-H===
 
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{{ABSTRACT_PUBMED_18154341}}
 
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==Disease==
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==Structure of human purine nucleoside phosphorylase in complex with L-Immucillin-H==
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[[http://www.uniprot.org/uniprot/PNPH_HUMAN PNPH_HUMAN]] Defects in PNP are the cause of purine nucleoside phosphorylase deficiency (PNPD) [MIM:[http://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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<StructureSection load='2q7o' size='340' side='right'caption='[[2q7o]], [[Resolution|resolution]] 2.90&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2q7o]] 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=2Q7O OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2Q7O 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=IMH:1,4-DIDEOXY-4-AZA-1-(S)-(9-DEAZAHYPOXANTHIN-9-YL)-D-RIBITOL'>IMH</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</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=2q7o FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2q7o OCA], [https://pdbe.org/2q7o PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2q7o RCSB], [https://www.ebi.ac.uk/pdbsum/2q7o PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2q7o 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/q7/2q7o_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=2q7o 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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Human purine nucleoside phosphorylase (PNP) was crystallized with transition-state analogue inhibitors Immucillin-H and DADMe-Immucillin-H synthesized with ribosyl mimics of l-stereochemistry. The inhibitors demonstrate that major driving forces for tight binding of these analogues are the leaving group interaction and the cationic mimicry of the transition state, even though large geometric changes occur with d-Immucillins and l-Immucillins bound to human PNP.
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==Function==
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L-Enantiomers of transition state analogue inhibitors bound to human purine nucleoside phosphorylase.,Rinaldo-Matthis A, Murkin AS, Ramagopal UA, Clinch K, Mee SP, Evans GB, Tyler PC, Furneaux RH, Almo SC, Schramm VL J Am Chem Soc. 2008 Jan 23;130(3):842-4. Epub 2007 Dec 23. PMID:18154341<ref>PMID:18154341</ref>
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[[http://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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==About this Structure==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[2q7o]] 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=2Q7O OCA].
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</div>
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<div class="pdbe-citations 2q7o" style="background-color:#fffaf0;"></div>
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==Reference==
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==See Also==
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<ref group="xtra">PMID:018154341</ref><references group="xtra"/><references/>
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*[[Purine nucleoside phosphorylase 3D structures|Purine nucleoside phosphorylase 3D structures]]
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== References ==
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<references/>
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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: Almo, S C.]]
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[[Category: Almo SC]]
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[[Category: Rinaldo-Matthis, A.]]
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[[Category: Rinaldo-Matthis A]]
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[[Category: Schramm, V L.]]
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[[Category: Schramm VL]]
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[[Category: Purine nucleoside phosphorylase]]
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[[Category: Transferase]]
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Current revision

Structure of human purine nucleoside phosphorylase in complex with L-Immucillin-H

PDB ID 2q7o

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