National Academy of Sciences is collaborating with JSTOR to digitize, preserve and extend access to Proceedings of the National Academy of Sciences of the United States of America. http://www.jstor.org Crystal structure of mouse coronavirus receptor-binding domain complexed with its murine receptor Author(s): Guiqing Peng, Dawei Sun, Kanagalaghatta R. Rajashankar, Zhaohui Qian, Kathryn V. Holmes and Fang Li Source: Proceedings of the National Academy of Sciences of the United States of America, Vol. 108, No. 26 (June 28, 2011), pp. 10696-10701 Published by: National Academy of Sciences Stable URL: http://www.jstor.org/stable/27978676 Accessed: 02-12-2015 02:53 UTC Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at http://www.jstor.org/page/ info/about/policies/terms.jsp JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact