Reaction Scheme (IMAGE) National Institutes of Natural Sciences Caption Figure 3. Reaction scheme of CO biosynthesis by HypX. The N- and C-terminal domains are shown in blue and green respectively. Formyl-group (CHO) is shown in red. Credit NINS/IMS 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.