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. 2014 Jun 24;70(Pt 7):1801–1811. doi: 10.1107/S139900471400830X

Table 3. Binding affinities of wild-type Hi-SiaP and different mutants of Hi-SiaP to Neu5Ac and entropic and enthalpic components.

MicroCal ITC was used for the measurements and the data were analyzed using the Origin software.

Hi-SiaP (with Neu5Ac) K d H (calmol1) T S (calmol1)
Wild type 16.6nM 17500 6883
E67A 19.8M 249.5 6168.6
E186Q 1.78M 6827 1016
N187Q 1.41M 7939 40.826
T64K 0.641M 8743 294.72
H209A 0.662M 13360 4917
T64R No measurable binding
R127K No measurable binding