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. Author manuscript; available in PMC: 2018 Apr 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2017 Feb 16;28(4):758–767. doi: 10.1007/s13361-017-1596-0

Figure 2.

Figure 2

ESI mass spectra of FGF-1 incubated with dp8 (left panel) and dp10 (right panel) it 100 mM NH4CH3CO2 at pH 6.8. The numbers in boxes indicate charge states of free FGF-1 (black), and its complexes with heparinoids: 1:1 (red), 2:1 (blue) and 3:1 (green). The r values shown in each row indicate the protein/heparinoid molar ratio.