IspH (IMAGE) Technical University of Munich (TUM) Caption This is a close-up view of the active site of IspH in which one of the reactants is bound. Credit ©TUM Usage Restrictions None 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.