Structure of Several Snf7 Spirals (IMAGE) Université de Genève Caption Electron Microscopy photo shows the structure of several Snf7 spirals tied to a lipid vesicle. Credit UNIGE 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.