Yeast RS Illustration (IMAGE) University of Illinois Chicago Caption An antibiotic (green), bound in the human-like yeast ribosome (gray), allows for synthesis of some proteins (represented in orange, purple, and blue) but not others (dark green). Credit Maxim Svetlov/UIC 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.