gp120(redirected from Hiv envelope protein gp120)
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A glycoprotein that protrudes from the surface of the HIV virus and binds to the glycoprotein CD4 in human cells.
gp120HIV A 120 kD glycoprotein on the surface of HIV-1, which binds to cells–T cells, macrophages at the CD4 receptor. See AIDS, AIDS vaccine, HIV.
A glycoprotein found on the outer surface of the HIV virus. It facilitates binding of the virus to CD4+ lymphocytes. Its molecular weight is 120 kD.