Transmembrane signalling by interleukin 2

Transmembrane signalling by interleukin 2 Gordon B. Mills,* Nan Zhang,* Rosemarie Schmandt,* Marion Fung,t Warner Greene,t Alan Mellorst and David Hogg* *Oncology Research, Toronto General Hospital, Toronto, Ontario, Canada M5G 2C4, tHoward Hughes Medical Institute, Departments of Medicine and Microbiology Immunology, Duke University Medical Center, Durham, NC, U.S.A. and $Department of Chemistry and Biochemistry, University of Guelph, Guelph, Ontario, Canada N IG 2WI 277