Fig. 1From: Detecting consistent patterns of directional adaptation using differential selection codon modelsIllustrative phylogenetic tree of HIV-1 Gag sequences. Different colors along the tree show different selection regimes for the corresponding sequences. Black branches for between-patients, green for within-patients, red and blue for HLA-B57 and HLA-B35 categories, respectively. All tree topologies are such categorizedBack to article page