Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Native ESI mass spectra of (a) FGF1 with de-2-O- and de-6-O-sulfated dp12; (b) FGF1 with de-2-O-sulfated dp12; (c) FGF1 with de-6-O-sulfated dp12; (d) FGF1 with the dp12 that contains the critical binding motif. Structures of the dp12s are shown in Supplementary Data
