Figure 1. Pathway of HIV infection involving gp41, gp120 and CD4 (7).
Figure. 2. Structure of an HIV-1 gp120 core with intact gp41-interactive region and 48D Heavy and Lights Chains (5).
Figure. 3. Structure of “layered” gp120 architecture along with the 7-stranded β-sandwich is
shown in red and the loop excursions are situated below them (5).
Figure. 4. Schematic representation of “layered” gp120 structure (5).