Actin (IMAGE) Rice University Caption A structural illustration shows the protein leiomodin 2 (magenta ribbons) and two actin subunits (grey surface and green and orange ribbons) believed to play a part in nemaline myopathy. Researchers at Rice University and Baylor College of Medicine believe a mutation to the protein (shown as a yellow sphere) plays a role in causing muscle weakness in nemaline myopathy. Credit Qinghua Wang Lab/Baylor College of Medicine 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.