Acetylation of Nuclear Pif1 Helicase (IMAGE) Indiana University Caption A diagram illustrating acetylation of the Pif1 helicase enzyme Credit Image courtesy Matthew Bochman and Lata Balakrishnan, Indiana University Bloomington/IUPUI Usage Restrictions Credit source 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.