Anders Hofer, Umeå University (IMAGE) Umea University Caption Anders Hofer, researcher at the Department of Medical Biochemistry and Biophysics at Umeå University in Sweden, is last author of the article in the Journal of Biological Chemistry. Credit Mattias Pettersson Usage Restrictions This photo may only be used contexts related to this news release. 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.