Green Tea/Cover (IMAGE) Donald Danforth Plant Science Center Caption Shown here is a ribbon diagram of glutamate dehydrogenase with each of the identical subunits represented in different colors. The orange spheres represent the substrate and the yellow spheres denote the location of the green tea compounds bound to the enzyme. The background is of a tea plantation in India. Credit Donald Danforth Plant Science Center 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.