Figure 1 - full size

Figure 1.
Fig. 1. Electron density map of HIV-1 protease with the V82A mutation (PR[V82A])–p2-NC crystal structure. The 2Fo–Fc map was contoured at a level of 2.2 . Hydrogen bond interactions are shown with distances in Å. (A) Residues 78–82. (B) Asp30 interacting with P2' Gln.