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. Author manuscript; available in PMC: 2009 Dec 3.
Published in final edited form as: J Am Chem Soc. 2008 Feb 16;130(10):3157–3168. doi: 10.1021/ja7104152

Figure 3.

Figure 3

STD NMR spectra (above) and 1H NMR spectra (below) for the competitive binding of UDP-[3-F]Galp 5 with UDP-Galp 2 and UDP 3 to the reduced UGM at 600 MHz and 280 K. (A) UDP-[3-F]Galp5 was converted from UDP-[3-F]Galf 4 by 10 μM reduced UGM; (B) UDP-[3-F]Galp 5 : UDP 3 at a ratio of 1:1 with UGM in the reduced state showing that the STD signals were mainly from UDP-[3-F]Galp 5; (C) UDP-[3-F]Galp 5 : UDP-Galp 2 at a ratio of 1:1 with UGM in the reduced state showing that the STD signals were from 2 and 5. The signal assignments for ligands are shown in the top spectrum (U: Uracil; R: Ribose; G: Galactofuranose).