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. 2016 Mar 23;11(3):e0151820. doi: 10.1371/journal.pone.0151820

Fig 7. Carbon chemical shifts of Br-Trp in native peptides correlated with synthetic 5-Br-Trp and 6-Br-Trp.

Fig 7

The chemical shifts are less well correlated for the 5-Br reference compound (left, 5.36 ppm average error) than those of the 6-Br reference compound (right, 1.55 ppm average error). Each data point in the figure represents a carbon of the indole of Trp.