X-ray Crystallography Shows Bacterial Enzyme Structure (video) Trinity College Dublin Share Print E-Mail Loading video... Caption X-ray crystallography shows highly detailed bacterial enzyme structure, which may allow drug developers to design therapeutics to prevent it working effectively. Credit Professor Martin Caffrey, Trinity College Dublin. 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.