Figure 3

Isothermal titration calorimetry and thermodynamic parameters determined.
The raw binding heat levels of (a) TrCel12A-E200Q with the concentration of protein 10.6 μM and that of ligand 22.0 μM, (b) TrCel12A-W7Y:E200Q with [protein] = 6.40 μM, [ligand] = 22.0 μM and (c) TrCel12A-W22Y:E200Q with [protein] = 11.5 μM, [ligand] = 27.5 μM.