Acetohydroxyacid Synthase Enzyme (IMAGE) University of Queensland Caption 'This information provides new insights into an important enzyme -- acetohydroxyacid synthase -- a target for more than 50 commercial herbicides.' Credit The University of Queensland Usage Restrictions To be only used with this story. 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.