Enzyme Sweet Spot (image) Arizona State University Caption The artificial enzyme system and found that it worked just the same as a cellular enzyme cascade. The research team also measured the effect when varying the distance between the swinging arm and the enzymes. They found there was a sweet spot, at 7 nanometers, where the arm angle was parallel to the enzyme pair Credit ASU Biodesign Institute/ Nature Nanotechnology Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.