Figure 4.
500 MHz ligand-observed 1H-CPMG relaxation dispersion data for (A) proflavin (1H-4/5) interacting with bovine trypsin (3% saturation) before (red) and after (black) addition of equimolar amounts of indoxyl sulfate and (B) data for indoxyl sulfate (1H-2) in the presence of trypsin (3% saturation).