3-D Printed NNT (IMAGE) Institute of Science and Technology Austria Caption A 3D printed model of transhydrogenase. Credit IST Austria -- Domen Kampjut/Sazanov group Usage Restrictions Image may only be used with appropriate credit. License Licensed content 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.