10% SDS-PAGE Lane 1: ab93106 (5 ug) Reduced Lane 2: PAI1 (5 ug) + Human Neutrophil Elastase (1 ug) Reduced Lane 3: PAI1 (5 ug) + Human Neutrophil Elastase (3.7 ug) Reduced Lane 4: PAI1 (5 ug) + Human Neutrophil Elastase (10 ug) Reduced Lane 5: Human Neutrophil Elastase (5 ug) Reduced Lane 6: PAI1 (5 ug) Non-reduced Lane 7: PAI1 (5 ug) + Human Neutrophil Elastase (1 ug) Non-reduced Lane 8: PAI1 (5 ug) + Human Neutrophil Elastase (3.7 ug) Non-reduced Lane 9: PAI1 (5 ug) + Human Neutrophil Elastase (10 ug) Non-reduced Lane 5: Human Neutrophil Elastase (5 ug) Non-reduced Lane 11: Prestained Standard