PP2A<sup>B55δ</sup> (IMAGE) Nara Institute of Science and Technology Caption PP2AB55δ is the key molecule that makes sake yeast punch-drunk happy. Credit Daisuke Watanabe Usage Restrictions This image may be used only with appropriate credit. 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.