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. Author manuscript; available in PMC: 2018 Jan 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2016 Sep 23;28(1):96–109. doi: 10.1007/s13361-016-1496-8

Figure 5.

Figure 5

The 2D-contour CIU fingerprint of the monomeric apo-FGF1 and the 1:1 FGF1-HS, with HS of increasing length from dp4-dp12. The conformations were labeled as F, I, and U, indicating folded, intermediate, and unfolded states, respectively. The ion intensities are indicated by a color axis. As the length of the HS increases, they form complexes with FGF1 and increase the conformational stability of the complexes accordingly