In silico evaluation of apoptogenic marker caspase-3 against PCB. A, 3D structure of PCB; B, 3D structure of caspase-3; C, PCB Docked with caspase 3 by two H-bond; D, arginine with cysteine; E, binding pockets of PCB against caspase 3. Docking was performed using autodoc4.2 software.