Nesbitt-Ionic Cooperativity Web (IMAGE) University of Colorado at Boulder Caption An artistic rendering of the bacterium's riboswitch and its interactions with three different potential ligands. Credit JILA, Steven Burrows, David Nesbitt and Andrea Marton Menendez Usage Restrictions Please cite JILA and all associated researchers for public use. License Original 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.