Figure 4From: Cloaked similarity between HIV-1 and SARS-CoV suggests an anti-SARS strategySequence comparison of the aromatic residue-rich regions of HIV-1 gp41 and SARS-CoV S2 proteins. The aromatic residues are in blue. Remarkably, the relatively rare aromatic residues comprise about half of the residues in these region.Back to article page