Affiliation: | 3. Roy J. Carver Department of Biochemistry, Biophysics & Molecular Biology, Iowa State University, Ames IA 50011;4. Office of Biotechnology, Protein Facility, Iowa State University, Ames IA 50011;5. Department of Biochemistry and Molecular Biology, University of Georgia, Athens 30602;6. Complex Carbohydrate Research Center, University of Georgia, Athens 30602 |