Myosin II Filament Stacks (IMAGE) National University of Singapore Caption Figure: This is a visualization of myosin II filament stacks (yellow) with cross-linking protein alpha-actinin-1 (blue) in fibroblast cells using structured illumination microscopy. Myosin II filaments alternate with apha-actinin enriched domains along actin stress fiber. Credit Mechanobiology Institute, Singapore Usage Restrictions Credit image accordingly to: Mechanobiology Institute, Singapore 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.