1. Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia 30602-4712
2. Department of Biochemistry and Molecular Biology, University of Georgia, Athens, Georgia 30602-4712
3. BioEnergy Science Center, University of Georgia, Athens, Georgia 30602-4712
4. Campus Chemical Instrument Center, Ohio State University, Columbus, Ohio 43210
5. Department of Plant Biology, University of Georgia, Athens, Georgia 30602-4712
6. Department of Chemistry, University of Georgia, Athens, Georgia 30602-4712
7. Division of Biological Sciences, University of Georgia, Athens, Georgia 30602-4712
8. Department of Chemistry and Biochemistry, Biochemistry Facility, Ohio University, Athens, Ohio 45701