2r29: Difference between revisions

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[[Image:2r29.jpg|left|200px]]
{{Seed}}
[[Image:2r29.png|left|200px]]


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{{STRUCTURE_2r29|  PDB=2r29  |  SCENE=  }}  
{{STRUCTURE_2r29|  PDB=2r29  |  SCENE=  }}  


'''Neutralization of dengue virus by a serotype cross-reactive antibody elucidated by cryoelectron microscopy and x-ray crystallography'''
===Neutralization of dengue virus by a serotype cross-reactive antibody elucidated by cryoelectron microscopy and x-ray crystallography===




==Overview==
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The monoclonal antibody 1A1D-2 has been shown to strongly neutralize dengue virus serotypes 1, 2 and 3, primarily by inhibiting attachment to host cells. A crystal structure of its antigen binding fragment (Fab) complexed with domain III of the viral envelope glycoprotein, E, showed that the epitope would be partially occluded in the known structure of the mature dengue virus. Nevertheless, antibody could bind to the virus at 37 degrees C, suggesting that the virus is in dynamic motion making hidden epitopes briefly available. A cryo-electron microscope image reconstruction of the virus:Fab complex showed large changes in the organization of the E protein that exposed the epitopes on two of the three E molecules in each of the 60 icosahedral asymmetric units of the virus. The changes in the structure of the viral surface are presumably responsible for inhibiting attachment to cells.
The line below this paragraph, {{ABSTRACT_PUBMED_18264114}}, adds the Publication Abstract to the page
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{{ABSTRACT_PUBMED_18264114}}


==About this Structure==
==About this Structure==
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[[Category: Viral protein/immune system complex]]
[[Category: Viral protein/immune system complex]]
[[Category: Virion]]
[[Category: Virion]]
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