Peter 't Hart (IMAGE) Max Planck Institute of Molecular Physiology Caption Group Leader at the Chemical Genomics Centre of the Max Planck Society in Dortmund. Credit MPI of Molecular Physiology Usage Restrictions The image may only be used with appropriate caption or credit. 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.