Figure 5. A. OPLS-DA model built based on proteins abundances in the region pI≈7.4. Green circles - slow decliners; red circles - fast decliners; B. Heatmap of unsupervised clustering of samples based on proteins abundances at p≈7.4.

Each row represents a protein that was observed in at least one of the samples. Each column is a sample: green on top - slow decliners, and red on top - fast decliners. Blue - the central focusing position of that protein was at pI≈7.4; yellow - elsewhere.