PNMA2 three-dimensional structure (IMAGE) University of Utah Health Caption The three-dimensional structure of a PNMA2 complex, which can trigger a dangerous immune reaction when released by tumor cells. Credit Junjie Xu Usage Restrictions Include credit to the image creator. 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.