PGM1 Enzyme (IMAGE) University of Missouri-Columbia Caption This is the 3-D structure of the PGM1 enzyme, highlighting in red/blue the sites of mutations responsible for the inherited metabolic disease. Each of these mutant enzymes were analyzed in detail by the Beamer lab to understand their effect on enzyme function. Credit Lesa Beamer 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.