Lipid Transport Protein (image) University of Zurich Share Print E-Mail Caption This is the structure of the TMEM16 lipid scramblase in a membrane. The illustration on the left depicts the surface of the protein with a view on the crevice that allows the movement of lipids across the membrane. The illustration on the right shows a ribbon model of the membrane protein where the bound calcium ions are shown in purple. Credit Janine Brunner Usage Restrictions None Share Print E-Mail 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.