Ras dimer (IMAGE) Ruhr-University Bochum Caption The Ras Protein (green) forms a dimer at the cell membrane. Credit PRODI/ Till Rudack Usage Restrictions This image may only be used for reporting about Ruhr-Universität Bochum in the context of the press release "Cancer-promoting Ras protein exists in a pair within cells", published in June 2021. 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.