DELE1 Complex (IMAGE) Scripps Research Institute Caption A structural depiction of a mitochondrial protein structure that initiates a cell-wide stress response. Using electron microscopy, Scripps Research scientists showed that this protein complex is made up of eight identical fragments of a protein called DELE1 that bind together into a highly symmetrical cylindrical. Credit Jie Yang, Scripps Research Usage Restrictions With related coverage and credit 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.