Macrocycle in Enzyme (IMAGE) University of Montreal Caption Model chiral macrocycle (shown in blue) in the catalytic pocket of the enzyme CALB (shown in grey, catalytic serine 105 colored in green [PDB ID 5GV5]). The figure was generated using The PyMOL Molecular Graphics System, Version 1.2r3pre, Schrödinger, LLC. The docking of the macrocycles was carried out with the Fitted program from the Forecaster computational platform. Credit Université de Montréal 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.