2nse

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[[Image:2nse.png|left|200px]]
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==BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE SUBSTRATE COMPLEX==
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<StructureSection load='2nse' size='340' side='right' caption='[[2nse]], [[Resolution|resolution]] 2.34&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2nse]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. The January 2011 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Nitric Oxide Synthase'' by David Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2011_1 10.2210/rcsb_pdb/mom_2011_1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2NSE OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2NSE FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ARG:ARGININE'>ARG</scene>, <scene name='pdbligand=CAC:CACODYLATE+ION'>CAC</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</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><br>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[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] </span></td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2nse FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2nse OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2nse RCSB], [http://www.ebi.ac.uk/pdbsum/2nse PDBsum]</span></td></tr>
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<table>
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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/ns/2nse_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/chain_selection.php?pdb_ID=2ata 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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Nitric oxide, a key signaling molecule, is produced by a family of enzymes collectively called nitric oxide synthases (NOS). Here, we report the crystal structure of the heme domain of endothelial NOS in tetrahydrobiopterin (H4B)-free and -bound forms at 1.95 A and 1.9 A resolution, respectively. In both structures a zinc ion is tetrahedrally coordinated to pairs of symmetry-related cysteine residues at the dimer interface. The phylogenetically conserved Cys-(X)4-Cys motif and its strategic location establish a structural role for the metal center in maintaining the integrity of the H4B-binding site. The unexpected recognition of the substrate, L-arginine, at the H4B site indicates that this site is poised to stabilize a positively charged pterin ring and suggests a model involving a cationic pterin radical in the catalytic cycle.
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{{STRUCTURE_2nse| PDB=2nse | SCENE= }}
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Crystal structure of constitutive endothelial nitric oxide synthase: a paradigm for pterin function involving a novel metal center.,Raman CS, Li H, Martasek P, Kral V, Masters BS, Poulos TL Cell. 1998 Dec 23;95(7):939-50. PMID:9875848<ref>PMID:9875848</ref>
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===BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE SUBSTRATE COMPLEX===
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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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{{ABSTRACT_PUBMED_9875848}}
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==About this Structure==
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[[2nse]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. The January 2011 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Nitric Oxide Synthase'' by David Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2011_1 10.2210/rcsb_pdb/mom_2011_1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2NSE OCA].
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==See Also==
==See Also==
*[[Nitric Oxide Synthase|Nitric Oxide Synthase]]
*[[Nitric Oxide Synthase|Nitric Oxide Synthase]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:009875848</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Bos taurus]]
[[Category: Bos taurus]]
[[Category: Nitric Oxide Synthase]]
[[Category: Nitric Oxide Synthase]]

Revision as of 06:02, 29 September 2014

BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE SUBSTRATE COMPLEX

2nse, resolution 2.34Å

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