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. 2015 Oct 16;6:1031. doi: 10.3389/fmicb.2015.01031

Table 3.

The calculated energy components, binding free energy (kcal/mol), binding constants, and the number of binding sites using the fluorescence spectroscopy quenching method in the WT-CHA, C184A-CHA, and G192A-CHA systems.

S (kcal/mol) ΔGbind (kcal/mol) Binding constants KA (1 × 105) L⋅mol-1 n
WT-CHA 6.7 ± 2.0 -15.2 ± 2.4 8.9 ± 1.3 0.9987
C184A-CHA 5.9 ± 1.4 -7.9 ± 1.6 4.7 ± 0.8 1.0025
G192A-CHA 6.3 ± 1.3 -8.4 ± 1.9 5.0 ± 0.9 0.9995