Structure of an Enzyme That Slices Foreign Invaders (image) Princeton University Share Print E-Mail Caption Researchers at Princeton have deciphered the 3-D structure of RNase L, an enzyme that slices through RNA and is a first responder in the innate immune system. The structure contains two subunits, represented in red as two parts of a pair of scissors. Illustration by Sneha Rath. Inset courtesy of Science. Credit Sneha Rath Usage Restrictions Credit: Illustration by Sneha Rath. Inset courtesy of Science. Share Print E-Mail 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.