Anakinra Durg Molecule (IMAGE) The Lundquist Institute Caption A new cytokine-receptor binding mode revealed by the crystal structure of the IL-1 receptor with an antagonist Credit The Lundquist Institute Usage Restrictions None 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.