Figure 1.

Schematic representation of HIV-1 CA. Location of α-helix and β-sheets identified in the N-terminal (NTD) and C-terminal (CTD) domain of CA is represented. The cyclophilin binding domain (CypA) and the Major Homology Region (MHR) are marked. Positions of S₁₀₉, S₁₄₉ and S₁₇₈ residues are indicated.