The United States of America, As Represented by the Secretary, Department of Health and Human Services

Raffaello Cimbro

Paolo Lusso

HIV neutralizing peptides, sulfated HIV-1 envelope proteins and immunogenic fragments thereof are disclosed, as well as nucleic acids encoding these molecules and methods of producing these peptides, envelope proteins and fragments. Methods are also provided for the treatment or prevention of a human immunodeficiency type 1 (HIV-1 ) infection. The methods can include administering to a subject an HIV neutralizing peptide, sulfated HIV-1 envelope protein or immunogenic fragment thereof as disclosed herein. In several embodiments, administering the HIV neutralizing peptide, sulfated HIV-1 envelope protein or immunogenic fragment generates an immune response in a subject.

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North Bethesda, MD, United States of America

Raffaello Cimbro