Interleukin (IMAGE) Technical University of Munich (TUM) Caption This the modified human interleukin-27-alpha. Inspired by the murine interleukin-27-alpha, one amino acid has been exchanged, enabling the formation of a disulfide-bridge (marked in red). Credit Matthias Feige / TUM Usage Restrictions None 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.