Figure 4From: Molecular characterization and determination of the biochemical properties of cathepsin L of Trichinella spiralisPredicted three-dimensional structures of TsCatL2 and mature TsCatL. The propeptide (green colour) blocks the active sites and substrate-binding pocket of the protease to prevent substrate exposure. The active sites of TsCatL are marked in red, and the substrate binding pocket is marked in blue.Back to article page