Enzyme Analysis (IMAGE) University of Queensland Caption (L-R) Elizabeth Gillam and Jong-Min (Joseph) Baek looking at P450 enzyme spectra on a specialised spectrophotometer, assessing whether the protein is intact or inactive. 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.