1f8b

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{{STRUCTURE_1f8b| PDB=1f8b | SCENE= }}
{{STRUCTURE_1f8b| PDB=1f8b | SCENE= }}
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'''NATIVE INFLUENZA VIRUS NEURAMINIDASE IN COMPLEX WITH NEU5AC2EN'''
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===NATIVE INFLUENZA VIRUS NEURAMINIDASE IN COMPLEX WITH NEU5AC2EN===
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==Overview==
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2,3-didehydro-2-deoxy-N:-acetylneuraminic acid (DANA) is a transition state analog inhibitor of influenza virus neuraminidase (NA). Replacement of the hydroxyl at the C9 position in DANA and 4-amino-DANA with an amine group, with the intention of taking advantage of an increased electrostatic interaction with a conserved acidic group in the active site to improve inhibitor binding, significantly reduces the inhibitor activity of both compounds. The three-dimensional X-ray structure of the complexes of these ligands and NA was obtained to 1.4 A resolution and showed that both ligands bind isosterically to DANA. Analysis of the geometry of the ammonium at the C4 position indicates that Glu119 may be neutral when these ligands bind. A computational analysis of the binding energies indicates that the substitution is successful in increasing the energy of interaction; however, the gains that are made are not sufficient to overcome the energy that is required to desolvate that part of the ligand that comes in contact with the protein.
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(as it appears on PubMed at http://www.pubmed.gov), where 11274459 is the PubMed ID number.
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{{ABSTRACT_PUBMED_11274459}}
==About this Structure==
==About this Structure==
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[[Category: Influenza protein]]
[[Category: Influenza protein]]
[[Category: Neuraminidase]]
[[Category: Neuraminidase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 16:01:20 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 02:51:29 2008''

Revision as of 23:51, 30 June 2008

Image:1f8b.png

Template:STRUCTURE 1f8b

NATIVE INFLUENZA VIRUS NEURAMINIDASE IN COMPLEX WITH NEU5AC2EN

Template:ABSTRACT PUBMED 11274459

About this Structure

1F8B is a Single protein structure of sequence from Influenza a virus. Full crystallographic information is available from OCA.

Reference

Analysis of inhibitor binding in influenza virus neuraminidase., Smith BJ, Colman PM, Von Itzstein M, Danylec B, Varghese JN, Protein Sci. 2001 Apr;10(4):689-96. PMID:11274459

Page seeded by OCA on Tue Jul 1 02:51:29 2008

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