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. 2021 Mar 1;10(3):566–578. doi: 10.1021/acssynbio.0c00583

Figure 5.

Figure 5

Sensitivity and selectivity of select guanidine biosensors. (a) Apparent dissociation constant (Kd) of guanidine for biosensors Kpn J 2,2-A, Dru J 2,2-A and Dru J 2,2-D. (b) In vitro fluorescence of Dru J 2,2-A, Dru J 2,2-D and Kpn J 2,2-A with no ligand (NL), guanidine (G), and other structural analogues at 1 mM concentrations. Data shown are the average with standard deviation of two replicates.