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. Author manuscript; available in PMC: 2013 Sep 7.
Published in final edited form as: Lab Chip. 2012 Jul 3;12(17):3103–3110. doi: 10.1039/c2lc40337d

Fig. 4.

Fig. 4

SPR studies of small molecule/protein interactions in varying configurations. (a) Tetrazine tagged synthetic derivatives of FK506. (b) Kinetic and equilibrium rate constants derived from binding data. (c) Rate map summarizing binding affinity and kinetics. Dashed lines indicate different combinations of ka and kd that result in the same KD.