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Degradation product analysis of alginate by purified Alg2951 with TLC (a) and ESI-MS (b). Lane M, the purified monomeric sugar, dimer, and trimer standards and Lane 1, the degradation products performed for 150 min. The DP1 and DP3 peaks represent a monosaccharide and trisaccharide, respectively. DP1 monosaccharide m/z 175 and DP3 (trisaccharide m/z 527 + Na+ − H: m/z 549).
