CUT Protein (IMAGE) Stowers Institute for Medical Research Caption The Trr/COMPASS-like complex regulates the activity of the Cut enhancer, which regulates the activity of the Cut gene in fruit fly embryos. CUT protein is shown in red, while green fluorescent protein marks the fly embryo’s posterior compartment. Credit Image: Courtesy of Dr. Hans-Martin Herz, Stowers Institute for Medical Research 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.