Pyruvate dehydrogenase complex (IMAGE) Martin-Luther-Universität Halle-Wittenberg Caption The pyruvate dehydrogenase complex consists of many different enzymes (marked in different colours). Credit Panagiotis Kastritis Usage Restrictions You may use these photos for editorial purposes free of charge. 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.