Superposed GLUT1 and QTY variant (IMAGE) Dr. Shuguang Zhang Caption Two angles of the crystalline structure GLUT1 (magenta) glucose transporter protein superposed with the AlphaFold2 computer-predicted water-soluble variant of the same protein (cyan) demonstrate that the crystalline protein and its water-soluble QTY variant share remarkable structural similarity. Credit Shuguang Zhang Laboratory, MIT Usage Restrictions For use only with permission of Shuguang Zhang or Denise Brehm. License Original 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.