1. Research & Development, Genencor International, Inc. Palo Alto, CA 94304.
2. Corresponding Author: Sang-Kyu Lee, slee@genencor.com, Fax: (650) 621-7993, Department of Biochemistry, R&D, Genencor International, Inc., 925 Page Mill Road, Palo Alto, CA 94304.
3. Department of Statistics, Stanford University, Stanford, CA 94305.
4. New Ventures – Silicon Biotechnology™, Dow Corning, Midland, MI 48686.