A PKA inhibitor motif within SMOOTHENED controls Hedgehog signal transduction

John T. Happ, Corvin D. Arveseth, Jessica Bruystens, Daniela Bertinetti, Isaac B. Nelson, Cristina Olivieri, Jingyi Zhang, Danielle S. Hedeen, Ju Fen Zhu, Jacob L. Capener, Jan W. Bröckel, Lily Vu, C. C. King, Victor L. Ruiz-Perez, Xuecai Ge, Gianluigi Veglia, Friedrich W. Herberg, Susan S. Taylor, Benjamin R. Myers