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. Author manuscript; available in PMC: 2012 Dec 7.
Published in final edited form as: Structure. 2011 Dec 7;19(12):1796–1806. doi: 10.1016/j.str.2011.09.019

Figure 2. Ex-FABP tightly binds apo and ferric catecholate siderophores.

Figure 2

Inherent fluorescence was strongly quenched by adding (A) apo-Ent or FeEnt, (B) apo-BB or FeBB, (C) apo-MGE or FeMGE and (D) FePaB to Ex-FABP; derived KD values are listed in Table 1. Point-by-point averages of three independent titrations for each compound are shown with calculated DYNAFIT (Kuzmic, 1996) nonlinear regression fits, used to estimate dissociation constants, superimposed. See also Figure S4.