Graeter, F., de Groot, B. L., Jiang, H., & Grubmueller, H. (2006). Ligand-release pathways in the pheromone-binding protein of Bombyx mori. Structure, 14(10), 1567-1576. Retrieved from http://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6VSR-4M349K8-B-M&_cdi=6269&_user=38661&_orig=browse&_coverDate=10%2F31%2F2006&_sk=999859989&view=c&wchp=dGLbVlb-zSkzV&md5=784aeeab49860c939bfa3d0dd5feb515&ie=/sdarticle.pdf.