Wesley I Sundquist1, Katharine S Ullman2. 1. Department of Biochemistry, University of Utah School of Medicine, Salt Lake City, UT 84112-5650, USA. wes@biochem.utah.edu katharine.ullman@hci.utah.edu. 2. Department of Oncological Sciences, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT 84112-5650, USA. wes@biochem.utah.edu katharine.ullman@hci.utah.edu.