Structural Survey of Broadly Neutralizing Antibodies Targeting the HIV-1 Env Trimer Delineates Epitope Categories and Characteristics of Recognition

？ Classification of HIV-1 antibodies into six categories based on recognized epitope ？ Delineation of underlying relationships between neutralization and epitope/paratope ？ Identification of epitope/paratope features specific to HIV-1 antibodies ？ Evaluation of epitopes for ease of antibody elicitation by vaccinatio