Zachariae, U., & Grubmueller, H. (2008). Importin-β: structural and dynamic determinants of a molecular spring. Structure, 16(6), 906-915. Retrieved from http://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6VSR-4SR0D10-D-2&_cdi=6269&_user=38661&_orig=browse&_coverDate=06%2F11%2F2008&_sk=999839993&view=c&wchp=dGLbVlz-zSkzV&md5=6064bca944c1d430457af682e5c25b15&ie=/sdarticle.pdf.