Protein Lsd19 Diagram (IMAGE) DOE/SLAC National Accelerator Laboratory Caption This is a ribbon diagram of the protein Lsd19, which catalyzes the formation of six-membered rings in lasalocid. Credit Image by Kinya Hotta 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.