Characterization of soluble non-covalent complexes between bovine serum albumin and beta-1,2,3,4,6-penta-O-galloyl-D-glucopyranose by MALDI-TOF MS |
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| Authors: | Chen Yumin Hagerman Ann E |
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| Institution: | Department of Chemistry and Biochemistry, Miami University, Oxford, Ohio 45056, USA. |
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| Abstract: | Beta-1,2,3,4,6-penta-O-galloyl-D-glucopyranose (PGG) and soluble complexes of PGG with bovine serum albumin (BSA) were characterized by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS). PGG was also characterized by electrospray ionization mass spectrometry (ESI-MS). Similar fragmentation patterns of PGG were found in ESI-MS and MALDI-TOF MS. The apparent stoichiometries of non-covalent BSA-PGG complexes were determined by MALDI-TOF MS. |
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