Tropomodulin (IMAGE) University of Helsinki Caption Protein called tropomodulin is a key player that maintains the balance between the protrusive and contractile actin-filament machineries within a cell. Credit Reena Kumari, reena.kumari@helsinki.fi Usage Restrictions Please contact reena.kumari@helsinki.fi for a permission to publish the photo 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.