Model of the Enzyme Chitosan Deacetylase (IMAGE) University of Münster Caption Model of the enzyme chitosan deacetylase (turquoise) with its substrate chitosan (light green) bound in its active site. Credit Martin Bonin Usage Restrictions Please use this image only in connection with the press release. 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.