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[[Image:1d1w.gif|left|200px]]


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==BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN COMPLEXED WITH 2-AMINOTHIAZOLINE (H4B BOUND)==
The line below this paragraph, containing "STRUCTURE_1d1w", creates the "Structure Box" on the page.
<StructureSection load='1d1w' size='340' side='right'caption='[[1d1w]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
You may change the PDB parameter (which sets the PDB file loaded into the applet)  
== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[1d1w]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1D1W OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1D1W FirstGlance]. <br>
or leave the SCENE parameter empty for the default display.
</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&#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=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=ATQ:2-AMINOTHIAZOLINE'>ATQ</scene>, <scene name='pdbligand=CAD:CACODYLIC+ACID'>CAD</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></td></tr>
{{STRUCTURE_1d1w| PDB=1d1w |  SCENE= }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1d1w FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1d1w OCA], [https://pdbe.org/1d1w PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1d1w RCSB], [https://www.ebi.ac.uk/pdbsum/1d1w PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1d1w ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/NOS3_BOVIN NOS3_BOVIN] Produces nitric oxide (NO) which is implicated in vascular smooth muscle relaxation through a cGMP-mediated signal transduction pathway. NO mediates vascular endothelial growth factor (VEGF)-induced angiogenesis in coronary vessels and promotes blood clotting through the activation of platelets.
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/d1/1d1w_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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=1d1w ConSurf].
<div style="clear:both"></div>


'''BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN COMPLEXED WITH 2-AMINOTHIAZOLINE (H4B BOUND)'''
==See Also==
 
*[[Nitric Oxide Synthase 3D structures|Nitric Oxide Synthase 3D structures]]
 
__TOC__
==Overview==
</StructureSection>
Analyzing the active site topology and plasticity of nitric oxide synthase (NOS) and understanding enzyme-drug interactions are crucial for the development of potent, isoform-selective NOS inhibitors. A small hydrophobic pocket in the active site is identified in the bovine eNOS heme domain structures complexed with potent isothiourea inhibitors: seleno analogue of S-ethyl-isothiourea, S-isopropyl-isothiourea, and 2-aminothiazoline, respectively. These structures reveal the importance of nonpolar van der Waals contacts in addition to the well-known hydrogen bonding interactions between inhibitor and enzyme. The scaffold of a potent NOS inhibitor should be capable of donating hydrogen bonds to as well as making nonpolar contacts with amino acids in the NOS active site.
 
==About this Structure==
1D1W is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1D1W OCA].
 
==Reference==
Mapping the active site polarity in structures of endothelial nitric oxide synthase heme domain complexed with isothioureas., Li H, Raman CS, Martasek P, Kral V, Masters BS, Poulos TL, J Inorg Biochem. 2000 Aug 31;81(3):133-9. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/11051558 11051558]
[[Category: Bos taurus]]
[[Category: Bos taurus]]
[[Category: Nitric-oxide synthase]]
[[Category: Large Structures]]
[[Category: Single protein]]
[[Category: Kral V]]
[[Category: Kral, V.]]
[[Category: Li H]]
[[Category: Li, H.]]
[[Category: Martasek P]]
[[Category: Martasek, P.]]
[[Category: Masters BSS]]
[[Category: Masters, B S.S.]]
[[Category: Poulos TL]]
[[Category: Poulos, T L.]]
[[Category: Raman CS]]
[[Category: Raman, C S.]]
[[Category: Alpha-beta fold]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May  2 13:21:20 2008''

Latest revision as of 09:48, 7 February 2024

BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN COMPLEXED WITH 2-AMINOTHIAZOLINE (H4B BOUND)BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN COMPLEXED WITH 2-AMINOTHIAZOLINE (H4B BOUND)

Structural highlights

1d1w is a 2 chain structure with sequence from Bos taurus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2Å
Ligands:, , , , , ,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

NOS3_BOVIN Produces nitric oxide (NO) which is implicated in vascular smooth muscle relaxation through a cGMP-mediated signal transduction pathway. NO mediates vascular endothelial growth factor (VEGF)-induced angiogenesis in coronary vessels and promotes blood clotting through the activation of platelets.

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

See Also

1d1w, resolution 2.00Å

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OCA
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