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. Author manuscript; available in PMC: 2017 Jan 4.
Published in final edited form as: Angew Chem Int Ed Engl. 2015 Oct 29;55(1):150–154. doi: 10.1002/anie.201508464

Figure 2.

Figure 2

Chemical structure and 1D 19F-NMR spectra of 4F-, 5F-, 6F-, 7F-Trp as well as 4F-, 5F-, 6F-, 7F- Trp49 modified S52CCV-N. Chemical shift differences between the free amino acid and the amino acid when incorporated into the S52CCV-N protein are indicated by the dashed lines.