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. 2014 Jun 4;4:5165. doi: 10.1038/srep05165

Table 2. Heat capacity changes and change in the solvent-accessible surface area for the duck Na,K-ATPase binding to AMP, ADP and ATPa.

Ligand ΔCp, cal·mole−1·K−1 ΔAtot_minb, Å2 ΔAtot_maxb, Å2
AMP −66 349 551
ADP −43 228 333
ATP −760 4021 5891

aHeat capacity changes were obtained as d(ΔH)/dT from Figure 2.

bChanges in solvent-accessible surface area were estimated using the following formula: ΔCp = k × ΔAtot, where ΔAtot is the total change in solvent accessible surface area in Å2. ΔAtot_max and ΔAtot_min are calculated for the min and max k values (0.129 and 0.189 cal/(K·mol·Å2), as shown in21).