Affiliation: | (1) Present address: Department of Molecular Science, Oxford University, Dyson Perrins Building, 0X1 3QY Oxford, England;(2) Hawaii Institute of Marine Biology, 96744 Coconut Island, Kaneohe, Hawaii;(3) Department of Biochemistry and Biophysics, University of Hawaii at Manoa, 96822 Honolulu, Hawaii;(4) Shaman Pharmaceuticals, 887 Industrial Rd., 94070 San Carlos, California |