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. 2018 Mar 1;8:3883. doi: 10.1038/s41598-018-22177-0

Table 2.

Thermodynamic parameters for the interaction between AcrIIA4 and SpyCas9 obtained by isothermal titration calorimetry at 25 °C.

Description KD (nM) ΔG (kcal/mol) ΔH (kcal/mol) TΔS (kcal/mol)
AcrIIA4:SpyCas9 4800 ± 150 −7.3 ± 0.1 −11.5 ± 0.7 4.2 ± 0.8
AcrIIA4:SpyCas9‒sgRNA 0.6 ± 0.1 −12.6 ± 0.4 −10.3 ± 0.1 −2.3 ± 0.4