Abstract
The solvent-exposed CDR2-like region of human CD4 was transferred to the structural scaffold of scorpion charybdotoxin, as a means to reproduce that site in a native-like conformation. The chimeric mini-protein (33 amino acids long), obtained by solid-phase synthesis, is able to specifically prevent the interaction of HIV-1 gp120 with CD4. This CD4 mimetic may represent a valuable tool in the study of the HIV-cell interactions and as a lead in the development of antiviral drugs.
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