1qw4

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[[Image:1qw4.jpg|left|200px]]
 
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{{Structure
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==Crystal Structure of Murine Inducible Nitric Oxide Synthase Oxygenase Domain in complex with N-omega-propyl-L-arginine.==
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|PDB= 1qw4 |SIZE=350|CAPTION= <scene name='initialview01'>1qw4</scene>, resolution 2.4&Aring;
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<StructureSection load='1qw4' size='340' side='right'caption='[[1qw4]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=H4B:5,6,7,8-TETRAHYDROBIOPTERIN'>H4B</scene> and <scene name='pdbligand=3AR:N-OMEGA-PROPYL-L-ARGININE'>3AR</scene>
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<table><tr><td colspan='2'>[[1qw4]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QW4 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1QW4 FirstGlance]. <br>
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|ACTIVITY= [http://en.wikipedia.org/wiki/Nitric-oxide_synthase Nitric-oxide synthase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.14.13.39 1.14.13.39]
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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]] 2.4&#8491;</td></tr>
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|GENE= NOS2 OR INOSL ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10090 Mus musculus])
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=3AR:N-OMEGA-PROPYL-L-ARGININE'>3AR</scene>, <scene name='pdbligand=H4B:5,6,7,8-TETRAHYDROBIOPTERIN'>H4B</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</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=1qw4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1qw4 OCA], [https://pdbe.org/1qw4 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1qw4 RCSB], [https://www.ebi.ac.uk/pdbsum/1qw4 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1qw4 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/NOS2_MOUSE NOS2_MOUSE] Produces nitric oxide (NO) which is a messenger molecule with diverse functions throughout the body. In macrophages, NO mediates tumoricidal and bactericidal actions. Also has nitrosylase activity and mediates cysteine S-nitrosylation of cytoplasmic target proteins such COX2.<ref>PMID:16373578</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/qw/1qw4_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=1qw4 ConSurf].
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<div style="clear:both"></div>
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'''Crystal Structure of Murine Inducible Nitric Oxide Synthase Oxygenase Domain in complex with N-omega-propyl-L-arginine.'''
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==See Also==
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*[[Nitric Oxide Synthase 3D structures|Nitric Oxide Synthase 3D structures]]
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== References ==
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==Overview==
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<references/>
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The high level of amino acid conservation and structural similarity in the immediate vicinity of the substrate binding sites of the oxygenase domains of the nitric-oxide synthase (NOS) isoforms (eNOSoxy, iNOSoxy, and nNOSoxy) make the interpretation of the structural basis of inhibitor isoform specificity a challenge and provide few clues for the design of new selective compounds. Crystal structures of iNOSoxy and nNOSoxy complexed with the inhibitors W1400 and Nomega-propyl-l-arginine provide a rationale for their isoform specificity. It involves differences outside the immediate active site as well as a conformational flexibility in the active site that allows the adoption of distinct conformations in response to interactions with the inhibitors. This flexibility is determined by isoform-specific residues outside the active site.
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Large Structures]]
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1QW4 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QW4 OCA].
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==Reference==
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Structural basis for the specificity of the nitric-oxide synthase inhibitors W1400 and Nomega-propyl-L-Arg for the inducible and neuronal isoforms., Fedorov R, Hartmann E, Ghosh DK, Schlichting I, J Biol Chem. 2003 Nov 14;278(46):45818-25. Epub 2003 Sep 3. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12954642 12954642]
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[[Category: Mus musculus]]
[[Category: Mus musculus]]
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[[Category: Nitric-oxide synthase]]
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[[Category: Fedorov R]]
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[[Category: Single protein]]
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[[Category: Ghosh DK]]
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[[Category: Fedorov, R.]]
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[[Category: Hartmann E]]
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[[Category: Ghosh, D K.]]
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[[Category: Schlichting I]]
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[[Category: Hartmann, E.]]
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[[Category: Schlichting, I.]]
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[[Category: 3AR]]
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[[Category: H4B]]
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[[Category: HEM]]
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[[Category: ZN]]
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[[Category: inosoxy inhibitor complex]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 13:43:28 2008''
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Current revision

Crystal Structure of Murine Inducible Nitric Oxide Synthase Oxygenase Domain in complex with N-omega-propyl-L-arginine.

PDB ID 1qw4

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