Protein gel (IMAGE) Walter and Eliza Hall Institute Caption A new proteomics technique called 'ubiquitin clipping' allows researchers to create high-definition maps of how proteins are modified by a process called ubiquitination. Credit Walter and Eliza Hall Institute, Australia Usage Restrictions With 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.