Crystal Structure of Human Antibody 2909 Reveals Conserved Features of Quaternary Structure-Specific Antibodies That Potently Neutralize HIV-1

Abstract excerpt

Monoclonal antibody 2909 belongs to a class of potently neutralizing antibodies that recognize quaternary epitopes on HIV-1. Some members of this class, such as 2909, are strain specific, while others, such as antibody PG16, are broadly neutralizing; all, however, recognize a region on the gp120 envelope glycoprotein that includes two loops (V2 and V3) and forms appropriately only in the oligomeric HIV-1 spike...

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