1ed6: Difference between revisions

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[[Image:1ed6.gif|left|200px]]
{{Seed}}
[[Image:1ed6.png|left|200px]]


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{{STRUCTURE_1ed6|  PDB=1ed6  |  SCENE=  }}  
{{STRUCTURE_1ed6|  PDB=1ed6  |  SCENE=  }}  


'''BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN COMPLEXED WITH L-NIO (H4B FREE)'''
===BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN COMPLEXED WITH L-NIO (H4B FREE)===




==Overview==
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The crystal structure of the endothelial nitric oxide synthase (NOS) heme domain complexed with NO reveals close hydrogen bonding interactions between NO and the terminal guanidino nitrogen of the substrate, L-arginine. Dioxygen is expected to bind in a similar mode which will facilitate proton abstraction from L-Arg to dioxygen, a required step for O-O bond cleavage. Structures of mechanism-based NOS inhibitors, N(5)-(1-iminoethyl)-L-ornithine and N-(3-(aminomethyl)benzyl)acetamidine, provide clues on how this class of compounds operate as suicide substrate inhibitors leading to heme oxidation.
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{{ABSTRACT_PUBMED_11331003}}


==About this Structure==
==About this Structure==
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[[Category: Heme protein]]
[[Category: Heme protein]]
[[Category: Nitric oxide synthase]]
[[Category: Nitric oxide synthase]]
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Revision as of 00:31, 1 July 2008

File:1ed6.png

Template:STRUCTURE 1ed6

BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN COMPLEXED WITH L-NIO (H4B FREE)BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN COMPLEXED WITH L-NIO (H4B FREE)

Template:ABSTRACT PUBMED 11331003

About this StructureAbout this Structure

1ED6 is a Single protein structure of sequence from Bos taurus. Full crystallographic information is available from OCA.

ReferenceReference

Crystallographic studies on endothelial nitric oxide synthase complexed with nitric oxide and mechanism-based inhibitors., Li H, Raman CS, Martasek P, Masters BS, Poulos TL, Biochemistry. 2001 May 8;40(18):5399-406. PMID:11331003

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