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MALDI MS spectra of H1 digestion by heparinase II. P refers to the protonated peptide (arg-gly)19 arg. Sucrose octasulfate, H1, and T7 refer to the protonated complexes of peptide with sucrose octasulfate and with the oligosaccharide substrates and products (Table 1). (A) Mass spectrum profile of starting material H1. (B) Product profile after 60 min of digestion with heparinase II.
