Paul Woioshin,* Kening Song,t* Catherine Degnin,’ Ann McNeil1 Killary,§ David J. Goidhamer,ll David Sassoon,* and Yathew J. Thayer’ *Department of Molecular and Medical Genetics Oregon Health Sciences University Portland, Oregon 97201 tDepartment of Biochemistry Boston University School of Medicine Boston, Massachusetts 02118 §M. D. Anderson Cancer Center 1515 Holcom b Boulevard Houston, Texas ...