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| | <StructureSection load='1v2h' size='340' side='right'caption='[[1v2h]], [[Resolution|resolution]] 2.70Å' scene=''> | | <StructureSection load='1v2h' size='340' side='right'caption='[[1v2h]], [[Resolution|resolution]] 2.70Å' scene=''> |
| | == Structural highlights == | | == Structural highlights == |
| - | <table><tr><td colspan='2'>[[1v2h]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1V2H OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=1V2H FirstGlance]. <br> | + | <table><tr><td colspan='2'>[[1v2h]] 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=1V2H OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1V2H FirstGlance]. <br> |
| - | </td></tr><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> | + | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.7Å</td></tr> |
| - | <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1m73|1m73]], [[1pf7|1pf7]]</div></td></tr>
| + | <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> |
| - | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">PNP ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr> | + | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1v2h FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1v2h OCA], [https://pdbe.org/1v2h PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1v2h RCSB], [https://www.ebi.ac.uk/pdbsum/1v2h PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1v2h ProSAT]</span></td></tr> |
| - | <tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[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] </span></td></tr>
| + | |
| - | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=1v2h FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1v2h OCA], [http://pdbe.org/1v2h PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1v2h RCSB], [http://www.ebi.ac.uk/pdbsum/1v2h PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=1v2h ProSAT]</span></td></tr> | + | |
| | </table> | | </table> |
| | == Disease == | | == Disease == |
| - | [[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> | + | [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> |
| | == Function == | | == Function == |
| - | [[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> | + | [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> |
| | == Evolutionary Conservation == | | == Evolutionary Conservation == |
| | [[Image:Consurf_key_small.gif|200px|right]] | | [[Image:Consurf_key_small.gif|200px|right]] |
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| | __TOC__ | | __TOC__ |
| | </StructureSection> | | </StructureSection> |
| - | [[Category: Human]] | + | [[Category: Homo sapiens]] |
| | [[Category: Large Structures]] | | [[Category: Large Structures]] |
| - | [[Category: Purine-nucleoside phosphorylase]] | + | [[Category: Basso LA]] |
| - | [[Category: Azevedo, W F.De]] | + | [[Category: Bertacine Dias MV]] |
| - | [[Category: Basso, L A]] | + | [[Category: Canduri F]] |
| - | [[Category: Canduri, F]] | + | [[Category: De Azevedo Jr WF]] |
| - | [[Category: Dias, M V.Bertacine]] | + | [[Category: Dos Santos DM]] |
| - | [[Category: Palma, M S]] | + | [[Category: Palma MS]] |
| - | [[Category: Pereira, J H]] | + | [[Category: Pereira JH]] |
| - | [[Category: Santos, D M.Dos]] | + | [[Category: Santos DS]] |
| - | [[Category: Santos, D S]]
| + | [[Category: Silva RG]] |
| - | [[Category: Silva, R G]] | + | |
| - | [[Category: Drug design]]
| + | |
| - | [[Category: Guanine]]
| + | |
| - | [[Category: Purine nucleoside phosphorylase]]
| + | |
| - | [[Category: Synchrotron]]
| + | |
| - | [[Category: Transferase]]
| + | |
| Structural highlights
Disease
PNPH_HUMAN Defects in PNP are the cause of purine nucleoside phosphorylase deficiency (PNPD) [MIM:613179. It leads to a severe T-cell immunodeficiency with neurologic disorder in children.[1] [2] [3]
Function
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.[4]
Evolutionary Conservation
Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.
Publication Abstract from PubMed
Purine nucleoside phosphorylase (PNP) catalyzes the phosphorolysis of the N-ribosidic bonds of purine nucleosides and deoxynucleosides. PNP is a target for inhibitor development aiming at T-cell immune response modulation and has been submitted to extensive structure-based drug design. More recently, the 3-D structure of human PNP has been refined to 2.3A resolution, which allowed a redefinition of the residues involved in the substrate-binding sites and provided a more reliable model for structure-based design of inhibitors. This work reports crystallographic study of the complex of Human PNP:guanine (HsPNP:Gua) solved at 2.7A resolution using synchrotron radiation. Analysis of the structural differences among the HsPNP:Gua complex, PNP apoenzyme, and HsPNP:immucillin-H provides explanation for inhibitor binding, refines the purine-binding site, and can be used for future inhibitor design.
Crystal structure of human PNP complexed with guanine.,de Azevedo WF Jr, Canduri F, dos Santos DM, Pereira JH, Bertacine Dias MV, Silva RG, Mendes MA, Basso LA, Palma MS, Santos DS Biochem Biophys Res Commun. 2003 Dec 19;312(3):767-72. PMID:14680831[5]
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.
See Also
References
- ↑ Williams SR, Gekeler V, McIvor RS, Martin DW Jr. A human purine nucleoside phosphorylase deficiency caused by a single base change. J Biol Chem. 1987 Feb 15;262(5):2332-8. PMID:3029074
- ↑ Aust MR, Andrews LG, Barrett MJ, Norby-Slycord CJ, Markert ML. Molecular analysis of mutations in a patient with purine nucleoside phosphorylase deficiency. Am J Hum Genet. 1992 Oct;51(4):763-72. PMID:1384322
- ↑ Pannicke U, Tuchschmid P, Friedrich W, Bartram CR, Schwarz K. Two novel missense and frameshift mutations in exons 5 and 6 of the purine nucleoside phosphorylase (PNP) gene in a severe combined immunodeficiency (SCID) patient. Hum Genet. 1996 Dec;98(6):706-9. PMID:8931706
- ↑ Ealick SE, Rule SA, Carter DC, Greenhough TJ, Babu YS, Cook WJ, Habash J, Helliwell JR, Stoeckler JD, Parks RE Jr, et al.. Three-dimensional structure of human erythrocytic purine nucleoside phosphorylase at 3.2 A resolution. J Biol Chem. 1990 Jan 25;265(3):1812-20. PMID:2104852
- ↑ de Azevedo WF Jr, Canduri F, dos Santos DM, Pereira JH, Bertacine Dias MV, Silva RG, Mendes MA, Basso LA, Palma MS, Santos DS. Crystal structure of human PNP complexed with guanine. Biochem Biophys Res Commun. 2003 Dec 19;312(3):767-72. PMID:14680831 doi:10.1016/j.bbrc.2003.10.190
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