Figure 7 - full size

Figure 7.
Fig. 7. Relaxed stereo diagram showing details of the S1 binding pocket in hK6 (upper panel), bovine trypsin (1CE5; middle panel), and porcine kallikrein (2PKA, lower panel). The hydrogen bonding interactions of the bound benzamidine inhibitor are shown using broken lines (residue positions 191-193 are omitted for clarity).