Etzkorn, M., Boeckmann, A., Lange, A., & Baldus, M. (2004). Probing molecular interfaces using 2D magic-angle-spinning NMR on protein mixtures with different uniform labeling. Journal of the American Chemical Society, 126(45), 14746-14751. Retrieved from http://pubs.acs.org/cgi-bin/article.cgi/jacsat/2004/126/i45/html/ja0479181.html.