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. 2006 May 6;14(16):5527–5534. doi: 10.1016/j.bmc.2006.04.026

Table 2.

Apparent equilibrium dissociation constants (KDs) of DC838 binding to CypA evaluated by the tryptophan fluorescence quenching method

Compounds 50% occupancy conc (μM) KD (μM)
DC838 (6 μM) 6.78 3.78
DC838 (6 μM) + CsA (20 μM) 13.22 10.22
DC838 (6 μM) + CsA (40 μM) 13.05 10.05