<i>Legionella</i> Toxin (IMAGE) European Molecular Biology Laboratory Caption This is the cryo-EM structure of the SidJ/CaM complex. SidJ is shown in cyan, Calmodulin in pink. Credit EMBL 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.