Group of authors (IMAGE) Ruhr-University Bochum Caption Lars Schäfer, Thomas Happe and Ulf-Peter Apfel (from left) collaborated on the current study. Credit RUB. Marquard Usage Restrictions This image may only be used in the context of the press release "Protecting biocatalysts from oxygen" published by RUB on 11. January 2023. License Original 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.