Small molecule kinase inhibitors (IMAGE) University of Eastern Finland Caption In the study, researchers set out to resolve why two structurally similar small molecule kinase inhibitors (red and blue) exhibit different lifetime of the drug-target complex with their target protein kinase (white). Credit Tatu Pantsar Usage Restrictions Please mention the 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.