Silkworm Moth Protein (IMAGE) Diamond Light Source Caption This cartoon structure of the silkworm moth GOBP2 bound to an analogue of its sex pheromone, shows binding to the arginine amino acid (blue and green ball and stick) at the entry to the binding pocket. Credit Birkbeck, University of London; Rothamsted Research; Diamond Light Source Usage Restrictions Credit must be included. 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.