Part of the 3D-structure of apoferritin (IMAGE) Martin-Luther-Universität Halle-Wittenberg Caption 3D-structure of apoferritin produced by electron cryo-microscopy Credit Panagiotis Kastritis 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.