PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, vol. 106, no. 7, page. 2141 - 2147, 2009-02-17
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, vol. 105, no. 49, page. 19188 - 19193, 2008-12-09
JOURNAL OF BIOLOGICAL CHEMISTRY, vol. 283, no. 43, page. 28958 - 28968, 2008-10-24