Institution: | (1) Institut Jacques Monod, Centre National de la Recherche Scientifique and Université de Paris, 7 - Denis Diderot, 75251 Paris Cedex 05, France;(2) Present address: Department of Zoology, University of British Columbia, 2354-6270 University Blvd., V6T 1Z4 Vancouver, B.C., Canada;(3) Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Slot 516, 4301 West Markham St., 72205 Little Rock, Arkansas, USA |