Proceedings of the National Academy of Sciences of the United States of America 2012 https://researcherprofiles.org/profile/1163209 22802621 Cheng CK, Gustafson WC, Charron E, Houseman BT, Zunder E, Goga A, Gray NS, Pollok B, Oakes SA, James CD, Shokat KM, Weiss WA, Fan QW