Two-Step Nanocages (video) Arizona State University Share Print E-Mail Loading video... Caption Two-step nanocage: Individual enzymes (orange and green) are first attached to half-cage structures. Half cages are then assembled into full cages, where reactants are brought into close proximity. Credit Jason Drees: The Biodesign Institute at Arizona State University Usage Restrictions None Share Print E-Mail 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.