Figure 1 (IMAGE) Compuscript Ltd Caption The authors reconstituted the biosynthesis of rumbrins, identified a new starter unit of PKS, and obtained 9 rumbrin analogues. Guided by rumB, rumbrins were predicted and pharmacologically demonstrated as anti-HIV agents. Credit APSB Usage Restrictions Credit must be given to the creator. License CC BY 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.