1rz7: Difference between revisions

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{{STRUCTURE_1rz7|  PDB=1rz7  |  SCENE=  }}  
{{STRUCTURE_1rz7|  PDB=1rz7  |  SCENE=  }}  


'''CRYSTAL STRUCTURE OF HUMAN ANTI-HIV-1 GP120-REACTIVE ANTIBODY 48D'''
===CRYSTAL STRUCTURE OF HUMAN ANTI-HIV-1 GP120-REACTIVE ANTIBODY 48D===




==Overview==
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The conserved surface of the HIV-1 gp120 envelope glycoprotein that binds to the HIV-1 coreceptor is protected from humoral recognition by multiple layers of camouflage. Here we present sequence and genomic analyses for 12 antibodies that pierce these defenses and determine the crystal structures of 5. The data reveal mechanisms and atomic-level details for three unusual immune features: posttranslational mimicry of coreceptor by tyrosine sulfation of antibody, an alternative molecular mechanism controlling such sulfation, and highly selective V(H)-gene usage. When confronted by extraordinary viral defenses, the immune system unveils novel adaptive capabilities, with tyrosine sulfation enhancing the vocabulary of antigen recognition.
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==About this Structure==
==About this Structure==
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[[Category: Tyrosine sulfation]]
[[Category: Tyrosine sulfation]]
[[Category: Vh-gene usage]]
[[Category: Vh-gene usage]]
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