Structural Model of ASCT2 (IMAGE) University of Groningen Caption Structural model of ASCT2. a: Side view with the scaffold domains as yellow surface; the protruding loops serving as a docking area for retroviruses as red surface; and the transport domains as blue ribbon. b: Side view, showing a large gap between the scaffold and transport domains. c: Top view: the protruding loops (red) do not block the access of the deep indentations for substrate. d: Bottom view: extra patches of density (green mesh) are observed between the scaffold and transport domains. Credit A. Guskov, University of Groningen Usage Restrictions with credit 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.