Protein complex Arp2/3 (IMAGE) Institute of Science and Technology Austria Caption The protein complex Arp2/3 with its seven subunits (colored) while binding to actin filaments (grey). Credit © Florian Fäßler, IST Austria Usage Restrictions © Florian Fäßler, IST Austria 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.