2h95: Difference between revisions

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[[Image:2h95.jpg|left|200px]]
{{Seed}}
[[Image:2h95.png|left|200px]]


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{{STRUCTURE_2h95|  PDB=2h95  |  SCENE=  }}  
{{STRUCTURE_2h95|  PDB=2h95  |  SCENE=  }}  


'''Structure of the Amantadine-Blocked Influenza A M2 Proton Channel Trans-membrane Domain by Solid-state NMR spectroscopy'''
===Structure of the Amantadine-Blocked Influenza A M2 Proton Channel Trans-membrane Domain by Solid-state NMR spectroscopy===




==Overview==
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Amantadine is known to block the M2 proton channel of the Influenza A virus. Here, we present a structure of the M2 trans-membrane domain blocked with amantadine, built using orientational constraints obtained from solid-state NMR polarization-inversion-spin-exchange-at-the-magic-angle experiments. The data indicates a kink in the monomer between two helical fragments having 20 degrees and 31 degrees tilt angles with respect to the membrane normal. This monomer structure is then used to construct a plausible model of the tetrameric amantadine-blocked M2 trans-membrane channel. The influence of amantadine binding through comparative cross polarization magic-angle spinning spectra was also observed. In addition, spectra are shown of the amantadine-resistant mutant, S31N, in the presence and absence of amantadine.
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{{ABSTRACT_PUBMED_17384070}}


==About this Structure==
==About this Structure==
2H95 is a [[Single protein]] structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2H95 OCA].  
2H95 is a [[Single protein]] structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2H95 OCA].  


==Reference==
==Reference==
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[[Category: Alpha helix]]
[[Category: Alpha helix]]
[[Category: Protein-ligand]]
[[Category: Protein-ligand]]
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