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1ulb

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[[Image:1ulb.jpg|left|200px]]
 
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{{Structure
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==APPLICATION OF CRYSTALLOGRAPHIC AND MODELING METHODS IN THE DESIGN OF PURINE NUCLEOSIDE PHOSPHORYLASE INHIBITORS==
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|PDB= 1ulb |SIZE=350|CAPTION= <scene name='initialview01'>1ulb</scene>, resolution 2.75&Aring;
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<StructureSection load='1ulb' size='340' side='right'caption='[[1ulb]], [[Resolution|resolution]] 2.75&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene> and <scene name='pdbligand=GUN:GUANINE'>GUN</scene>
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<table><tr><td colspan='2'>[[1ulb]] 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=1ULB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1ULB FirstGlance]. <br>
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|ACTIVITY= [http://en.wikipedia.org/wiki/Purine-nucleoside_phosphorylase Purine-nucleoside phosphorylase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.4.2.1 2.4.2.1]
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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]] 2.75&#8491;</td></tr>
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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GUN:GUANINE'>GUN</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</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=1ulb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ulb OCA], [https://pdbe.org/1ulb PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1ulb RCSB], [https://www.ebi.ac.uk/pdbsum/1ulb PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1ulb 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/ul/1ulb_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=1ulb ConSurf].
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<div style="clear:both"></div>
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'''APPLICATION OF CRYSTALLOGRAPHIC AND MODELING METHODS IN THE DESIGN OF PURINE NUCLEOSIDE PHOSPHORYLASE INHIBITORS'''
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==See Also==
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*[[Purine nucleoside phosphorylase 3D structures|Purine nucleoside phosphorylase 3D structures]]
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== References ==
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==Overview==
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<references/>
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Competitive inhibitors of the salvage pathway enzyme purine-nucleoside phosphorylase (purine-nucleoside:orthophosphate ribosyltransferase, EC 2.4.2.1) have been designed by using the three-dimensional structure of the enzyme as determined by x-ray crystallography. The process was an iterative one that utilized interactive computer graphics, Monte Carlo-based conformational searching, energy minimization, and x-ray crystallography. The proposed compounds were synthesized and tested by an in vitro assay. Among the compounds designed and synthesized are the most potent competitive inhibitors of purine nucleoside phosphorylase thus far reported.
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__TOC__
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</StructureSection>
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==Disease==
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Known diseases associated with this structure: Neutral lipid storage disease with myopathy OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=609059 609059]], Nucleoside phosphorylase deficiency, immunodeficiency due to OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=164050 164050]]
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==About this Structure==
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1ULB is a [[Single protein]] structure of 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=1ULB OCA].
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==Reference==
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Application of crystallographic and modeling methods in the design of purine nucleoside phosphorylase inhibitors., Ealick SE, Babu YS, Bugg CE, Erion MD, Guida WC, Montgomery JA, Secrist JA 3rd, Proc Natl Acad Sci U S A. 1991 Dec 15;88(24):11540-4. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/1763067 1763067]
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[[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: Single protein]]
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[[Category: Babu YS]]
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[[Category: Babu, Y S.]]
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[[Category: Bugg CE]]
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[[Category: Bugg, C E.]]
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[[Category: Carter DC]]
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[[Category: Carter, D C.]]
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[[Category: Chen S-F]]
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[[Category: Chen, S F.]]
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[[Category: Cook WJ]]
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[[Category: Cook, W J.]]
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[[Category: Ealick SE]]
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[[Category: Ealick, S E.]]
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[[Category: Greenhough TJ]]
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[[Category: Greenhough, T J.]]
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[[Category: Habash J]]
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[[Category: Habash, J.]]
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[[Category: Helliwell JR]]
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[[Category: Helliwell, J R.]]
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[[Category: Parksjunior RE]]
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[[Category: Parksjunior, R E.]]
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[[Category: Rule SA]]
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[[Category: Rule, S A.]]
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[[Category: Stoeckler JD]]
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[[Category: Stoeckler, J D.]]
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[[Category: GUN]]
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[[Category: SO4]]
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[[Category: pentosyltransferase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 14:33:28 2008''
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Current revision

APPLICATION OF CRYSTALLOGRAPHIC AND MODELING METHODS IN THE DESIGN OF PURINE NUCLEOSIDE PHOSPHORYLASE INHIBITORS

PDB ID 1ulb

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